Quick view Wehrli Wehrli 01-05 LB7 LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Illusion Blueberry - WCF100405-IBB Compare $539.00 $522.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Add to Cart Add to Cart
Quick view Wehrli Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW Compare $489.00 $474.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Add to Cart Add to Cart
Sold Out Quick view Wehrli Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - WCFab Grey - WCF100405-GRY Compare $539.00 $522.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Wehrli Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Gloss Blac - WCF100405-GB Compare $489.00 $474.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Add to Cart Add to Cart
Quick view Wehrli Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT Compare $539.00 $522.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Add to Cart Add to Cart
Quick view Wehrli Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR Compare $539.00 $522.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Add to Cart Add to Cart
Sold Out Quick view Wehrli Wehrli 01-05 Chevy 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver - WCF100405-BS Compare $489.00 $474.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Wehrli Wehrli 01-05 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Brizzle Blue - WCF100405-BRZ Compare $489.00 $474.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Add to Cart Add to Cart
Quick view Wehrli Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Red - WCF100405-BR Compare $489.00 $474.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Add to Cart Add to Cart
Quick view Wehrli Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC Compare $539.00 $522.99 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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... Add to Cart Add to Cart
Quick view Wehrli Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith - WCF100188-SGS Compare $205.00 $198.99 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,... Add to Cart Add to Cart
Quick view Wehrli Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black - WCF100188-SGB Compare $185.00 $179.99 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,... Add to Cart Add to Cart
