Wehrli WCF100405-GB Thermostat Housing Kit for 01-05 Duramax Gloss Black

Thermostat Housing Kit, 2001-2005 Duramax LB7/LLY, Gloss Black The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe 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 routing to an upwards and forward layout from the thermostat, this kit improves access to driver side fuel system components, adds room for larger aftermarket turbochargers, and updates engine bay appearance. Compatible with Single and Dual CP3 Pump setups. Finished in your choice of custom powder coat colors. Compatible with factory VGT style turbochargers Required for race cover style or SXE turbochargers being mounted in the valley CNC Machined Billet Aluminum Thermostat Upper Housing Includes coolant pipe, silicone boots, and t-bolt clamps Custom Single Stage Powder Coating