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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 Details Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO MSRP: $205.00 Now: $198.85 View Details Compare Quick view Details Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 as the coolant return pipe. By changing the coolant... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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-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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $185.00 Now: $179.45 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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-SC Wehrli L5P Duramax Thermostat Housing - Sparkle Copper - WCF100188-SC 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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-SBO Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange - WCF100188-SBO 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 View Details Compare Quick view Wehrli | sku: WCFWCF100188-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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-RED Wehrli L5P Duramax Thermostat Housing - WCFab Red - WCF100188-RED 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 our Intake Kit, Intercooler Piping, Upper Coolant Pipe,... MSRP: $205.00 Now: $198.85 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