6.7 Cummins 1.75" Billet Thermostat Housing

Give your 6.7L Cummins engine bay a clean, finished appearance with the G&R Diesel Billet Thermostat Housing. Precision-machined in the USA from billet aluminum, this housing replaces the factory unit with a stronger, better-sealing design that also elevates the look of the cooling system.

Premium Construction & Materials

CNC-machined from high-quality billet aluminum, the housing offers excellent strength, corrosion resistance, and a distinctive metal finish. The 1.75″ barbed hose connection is designed for a secure, reliable fit that helps minimize the risk of coolant leaks common with aging or lower-quality housings.

Key Features & Benefits

• Billet Aluminum Construction: Durable, precision-machined housing built for long-term reliability
• 1.75″ Barbed Hose Connection: Provides a secure coolant hose interface
• Leak-Resistant Design: Engineered to help prevent the coolant leaks often associated with factory or worn housings
• Clean Engine Bay Appearance: Complements other billet upgrades and gives the cooling system a more refined look
• Made in the USA: Designed and manufactured domestically to G&R Diesel quality standards

Applications

• 2007–2021 Dodge/Ram trucks equipped with the 6.7L Cummins diesel
  Confirm exact fitment for your specific truck before ordering.

Why Choose the G&R Diesel Billet Thermostat Housing?

A thermostat housing is a simple but critical component. Upgrading to a billet aluminum unit improves sealing reliability while delivering a cleaner, more professional appearance under the hood. Whether you are refreshing the cooling system or finishing out a larger engine bay build, this housing is a practical and good-looking solution.

Part Number: GRD67CM3012

A straightforward, well-executed upgrade that pairs form and function for the 6.7L Cummins platform.