Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Red

The Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit is a billet aluminum upgrade designed for 2006-2010 LBZ and LMM Duramax engines. This kit replaces the OEM upper radiator hose and coolant return pipe, offering a more efficient coolant routing system that directs flow upwards and forward from the thermostat. Constructed from high-quality billet aluminum, it enhances engine bay durability and appearance while providing improved access to driver side fuel system components. The redesigned coolant pathway creates additional space for larger aftermarket turbochargers and simplifies maintenance. Available in a custom powder coat finish, the kit combines performance benefits with a sleek aesthetic update, making it suitable for enthusiasts seeking both function and style.

This thermostat housing kit is specifically designed for 2006-2010 Duramax models with LBZ or LMM engines. It replaces GM part numbers 19330105, 15792824, 25833204, and 97361881, serving as a direct upgrade for OEM components. The kit is ideal for street use, performance upgrades, or engine bay customization, offering a bolt-on installation that improves coolant flow and engine accessibility. It is compatible with single (P/N WCF100420) or twin CP3 setups (P/N WCF100424), with options for custom powder coat finishes. This upgrade is perfect for those looking to enhance engine bay layout, improve turbo clearance, and update the appearance of their Duramax-powered vehicle.