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 Details Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 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 Details Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 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 Details Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR MSRP: $489.00 Now: $474.33 View Details Compare Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Now: $522.83 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB MSRP: $185.00 Now: $179.45 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 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... 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 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... 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-GB Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-CT Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-CR Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-BS Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-BRZ Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-BR Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR 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... MSRP: $489.00 Now: $474.33 View Details Compare Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100405-BC Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC 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... MSRP: $539.00 Now: $522.83 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100188-SGS Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected
Quick view Wehrli | sku: WCFWCF100188-SGB Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such as... MSRP: $185.00 Now: $179.45 View Details Compare Previous 1 2 3 4 5 6 7 8 Next Previous 1 2 3 4 5 6 7 8 Next Compare Selected