2011-2016 LML Duramax Thermostat Housing - WCFAB

This Thermostat Housing for 2011-2016 6.6L Duramax is a direct replacement upgrade for the aging, ugly, corroded OEM part. Comes powder coated in your choice of color to complement other upgrades such as our Intake Kit, Intercooler Piping, Upper Coolant Pipe, and Coolant Tank.
 
Replaces the following GM part numbers: 12642717, 12645998
 
- Direct Replacement for OEM Thermostat Housing
- Custom Powder Coat Finish
- Cleans up engine bay appearance
- Completes the look when also running one of our Upper Coolant Pipes
Availability: WCFab Red, WCFab Grey, Illusion Purple, Candy Blue, Candy Teal, Gloss White, Gloss Black, Bengal Blue, and Bengal Red in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
 
We have the option to include brand new AC Delco thermostats with this housing! That is asked in the drop down option.
 
Don't see a color you want? Let us know and we will add it for you!