Thermostat Housings

As a direct replacement for the failure prone OEM thermostat, the Transmission Cooler Thermostat Bypass Plug can drop fluid temperature from 15-50 degrees F by reducing fluid flow restriction to the trans cooler. In the stock application, we've seen the...

WCFab X Fleece Performance Engineering Thermostat Housing for 2019-2024 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. This coolant elbow kit features a port with plug to allow you to customize your coolant routings. Comes...

WCFab X Fleece Performance Engineering Thermostat Housing for 2019-2024 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. This coolant elbow kit features a port with plug to allow you to customize your coolant routings. Comes...

WCFab X Fleece Performance Engineering Thermostat Housing for 2019-2024 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. This coolant elbow kit features a port with plug to allow you to customize your coolant routings. Comes...

The Sinister Diesel Thermostat Housing is a drop-in replacement for the OEM housing, with several advantages. It's anodized billet aluminum construction resists corrosion that often plagues OEM units. The Precision CNC machining and thick base plate...