A-Premium Aluminum Thermostat Housing Assembly for GM V6 (2007–2017) — Includes Thermostat & Gasket, Direct Replacement

A-Premium's upgraded aluminum thermostat housing assembly is a direct-replacement cooling system component designed to house the thermostat and reseal the coolant outlet for select Chevrolet, GMC, Buick and Saturn V6 engines.

This thermostat housing is built from cast aluminum, arrives with a matching gasket and thermostat, and matches factory mounting points for plug-and-play installation on many GM crossover and SUV models from 2007 through 2017. It replaces OEM reference numbers such as 12599235, 12638893 and 12689041 and is offered with a one-year unlimited-mileage guarantee from A-Premium.

How will this housing fit my vehicle?

The assembly is engineered as a direct replacement for specific GM applications, so it bolts in where the factory unit did without modification. Verify fitment with your vehicle year and model before ordering—common compatible models include Chevrolet Traverse (2009–2017), GMC Acadia (2007–2017), Buick Enclave (2008–2017) and Saturn Outlook (2007–2010).

• Direct replacement design for exact bolt pattern and hose locations.
• Makes contact with factory coolant passages and thermostat location.
• Check OEM reference numbers: 12599235, 12638893, 12689041, 902-692.

What materials and parts are included in the package?

The housing is cast from aluminum for corrosion resistance and consistent heat transfer. Each boxed assembly ships with a preinstalled thermostat and a molded gasket to simplify installation and reduce the chance of leaks.

• High-grade aluminum housing for durability and lighter weight.
• Included thermostat and gasket ready for installation.
• Packaging: shipped in a protective box to prevent transit damage.

How does this part affect cooling system performance?

By accurately positioning the thermostat and delivering a tight seal at the coolant outlet, this housing helps the engine maintain its designed operating temperature. A properly sealed housing prevents coolant loss and improves circulation efficiency, supporting stable heat management under typical driving conditions.

• Precision-machined mating surfaces reduce the risk of leaks.
• Aluminum construction aids heat dissipation compared with some plastic housings.
• Factory-style outlet dimensions ensure correct hose fit and flow rates.

What warranty and reliability assurances come with the A-Premium unit?

A-Premium backs this thermostat housing assembly with a one-year unlimited-mileage guarantee against manufacturing defects. The part undergoes hardness and crush testing during production to meet consistent structural standards.

• One-year unlimited-mileage warranty for confidence after purchase.
• Quality control includes structural and sealing performance checks.
• Designed to meet or exceed original fitment and material expectations.

Who is this for: This aluminum thermostat housing assembly is intended for DIY mechanics, professional technicians and fleet maintainers who need a reliable, direct-replacement cooling component for compatible GM crossovers and SUVs. Choose this A-Premium assembly when you want OEM-style fitment, a complete install kit (gasket and thermostat included), and the reassurance of a one-year parts guarantee.