AUTOBABA Aluminum Coolant Thermostat Housing Assembly for Chevy/Buick (105°C) — Direct OE Fit, Complete Kit

This aluminum coolant thermostat housing assembly is built as a direct replacement for specific GM models, matching OE mounting points and fluid passages for a straightforward swap. Constructed from premium-grade aluminum, the unit resists warping and corrosion better than many plastic housings and is rated to start opening at 105°C (221°F). It comes packaged as a complete assembly to simplify installation and reduce the number of parts you must source.

Will this housing fit my vehicle?

Yes—this kit is engineered to replace the original thermostat outlet on several Chevrolet and Buick small-car platforms. Confirm fitment by comparing part numbers or by matching your vehicle's year and model to the compatibility list before ordering.

• Compatible models: 2011–2016 Chevy Cruze and 2016 Cruze Limited
• Also fits: 2012–2020 Chevy Sonic, 2013–2020 Chevy Trax, 2013–2020 Buick Encore
• Replaces factory numbers: 902-808, 25200455, 55565336, 55579010, 55593034

What are the material and temperature specifications?

The housing is manufactured from high-grade aluminum to improve durability and thermal stability compared with lower-cost plastic housings. The thermostat element inside is specified to begin opening at 105°C (221°F), suitable for the engine cooling curves used in the covered GM engines.

• Body material: premium-grade aluminum for heat and corrosion resistance
• Thermostat start-to-open temperature: 105°C / 221°F
• Designed to withstand typical automotive coolant and engine bay conditions

How does this assembly simplify repairs or replacement?

Supplied as a complete housing assembly, the part eliminates the need to reuse a worn factory outlet or hunt for separate seals and small components. That reduces install time and the risk of leaks caused by aged mating surfaces or missing pieces.

• Comes as a ready-to-install assembly to cut down on parts sourcing
• OE-style mounting and hose connections for a direct fit installation
• Aluminum construction helps maintain shape and seal integrity over time

What should I expect during installation and maintenance?

Installation follows the vehicle maker’s standard thermostat housing replacement procedure: drain coolant, remove the old housing, install the new assembly with fresh gaskets or sealant as required, and refill the cooling system. After installation, bleed the cooling system of air and verify there are no leaks at the housing and hose connections.

• Requires coolant drain and system bleeding during installation
• Inspect hoses and clamps; replace if brittle or corroded for best results
• Check for leaks and proper thermostat operation under normal warm-up

Who is this for: This AUTOBABA aluminum thermostat housing assembly is aimed at DIY mechanics and independent repair shops working on compatible Chevrolet and Buick models that need a dependable replacement for a failed or aging thermostat outlet. It's an appropriate upgrade for owners seeking improved longevity over plastic housings or for anyone restoring cooling-system reliability after overheating, leaks, or part-number mismatches.