Wehrli L5P Duramax Thermostat Housing - Bengal Blue - WCF100188-BB 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... MSRP: $185.00 Was: Now: $179.45
