Thermostat Housings

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Wehrli L5P Duramax Thermostat Housing - WCFab Red

$215.59
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...
Wehrli 98-18 Dodge / Ram Cummins 5.9L/6.7L WCFab X Fleece Thermostat Housing - Gloss Black - Performance Part - Image 1

Wehrli 98-18 Dodge / Ram Cummins 5.9L/6.7L WCFab X Fleece...

$196.18
WCFab X Fleece Performance Engineering Thermostat Housing for 1998-2018 5.9L & 6.7L Cummins is a direct replacement upgrade for the unsightly OEM part. This coolant elbow kit features a port...
Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCFab Red - Aftermarket Part - Image 1

Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - WCF...

$540.44
The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover...
Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Gloss Black - OEM Replacement - Image 1

Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Glo...

$491.92
The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover...
Torque Solution Subaru EJ Engines High Flow Billet Thermostat Housing - Bull Strap

Torque Solution Subaru EJ Engines High Flow Billet Thermo...

$216.73
Torque Solution Subaru EJ Engines High Flow Billet Thermostat Housing
Fleece Performance 11-25 Ford F-250/F-350/F-450 6.7L Power Stroke Thermostat Housing Upgrade - Bull Strap

Fleece Performance 11-25 Ford F-250/F-350/F-450 6.7L Powe...

$106.70
Upgrade your plastic OEM or aftermarket engine coolant thermostat housing on your 6.7L Power Stroke with our more durable cast aluminum model! Our direct replacement thermostat housing works with all...
Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass P - product view

Wehrli 17-19 L5P Duramax Billet Anodized Transmission Coo...

$75.87
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...
Fleece Performance 98.5-07 Dodge 2500/3500 Cummins Replacement Thermostat Housin - product view

Fleece Performance 98.5-07 Dodge 2500/3500 Cummins Replac...

$146.71
The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cummins and 2013-2018 RAM with 6.7L Cummins. The auxiliary...

Upgrade your ride with premium thermostat housings from Bull Strap. This collection of Thermostat Housings is built to meet the demands of serious enthusiasts. Every product in our Thermostat Housings lineup has been selected to deliver uncompromising quality and performance.

At Bull Strap, we understand that your vehicle is more than just transportation — it's a reflection of your lifestyle. That's why we stock only the best thermostat housings, sourced from industry-leading manufacturers known for durability and precision engineering. Whether you're building a daily driver or a weekend trail rig, you'll find exactly what you need.

Browse our full selection below and find the perfect fit for your build. Bull Strap offers fast shipping, expert support, and competitive pricing on every order. Have questions? Our team is here to help you choose the right parts for your vehicle.