Wehrli L5P Duramax Thermostat Housing - Fine Texture Black

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 WCFab upgrades such as our Intake Kit, Intercooler Piping, Upper Coolant Pipe, and Coolant Tank.

Additional Information

L5P Duramax Thermostat Housing Fine Texture Black

Part Type

Engine Coolant Thermostat Housing

• Cleans up engine bay appearance
• Custom Powder Coat Finish
• Direct Replacement for OEM Thermostat Housing
• Perfectly Compliments WCFab Upper Coolant Pipes

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Reference Information