Wehrli Custom Fabrication 2017-2025 L5P Duramax Thermostat Housing - WCF100188

- 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
This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly 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.