Thermostat Housings

Wehrli 98-18 Dodge / Ram Cummins 5.9L/6.7L WCFab X Fleece Thermostat Housing - Candy Teal

Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red

Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White

Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal

Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red

Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome

Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - WCFab Red

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...

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...

Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Blueberry Frost

Wehrli x Fleece 98-18 Cummins 6.7L Thermostat Housing - Brizzle Blue

Wehrli 98-18 Dodge / Ram Cummins 5.9L/6.7L WCFab X Fleece Thermostat Housing - Illusion Purple

Wehrli Ram 19-22 Cummins 6.7L WCFab X Fleece Thermostat Housing - WCFab Grey

Wehrli Ram 19-22 Cummins 6.7L WCFab X Fleece Thermostat Housing - Gloss Black

Wehrli Ram 19-22 Cummins 6.7L WCFab X Fleece Thermostat Housing - Flat Black