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.
