Thermostat Housing Kit, 2001-2005 Duramax LB7/LLY

Developed for 2001-2005 GMC and Chevrolet 6.6L Duramax trucks, this WCFab LB7/LLY top outlet billet thermostat housing and upper coolant pipe kit is designed to handle increased power and demanding use. The kit includes premium components for secure installation and long-term reliability. A custom powder coat finish enhances durability and appearance. Finished in color option of your choice.

Fitment Info, Inclusions, and Features

• 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.
• Replaces the following GM Part numbers:15792832,15198345.
• Made in the USA.