Quick view Details Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100420-IBB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry - WCF100420-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100420-GW Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss White - WCF100420-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100420-GRY Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Grey - WCF100420-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100420-GB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - WCF100420-GB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100420-CT Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal - WCF100420-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100420-BR Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100420-BB Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Blue - WCF100420-BB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-RED Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red - WCF100405-RED The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-IP Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Purple - WCF100405-IP The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-IBB Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-GW Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected
Quick view Wehrli | sku: WCFWCF100405-GRY Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant... MSRP: $539.00 Now: $522.83 View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected