Dorman 902-693 Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Dorman 902-693 is a replacement engine coolant thermostat housing assembly built to match the fit and durability of the original housing on specified vehicles. It includes a thermostat set to open at 180 degrees F and a gasket seal for a direct repair on applications such as Chevrolet Impala, Chevrolet Equinox, GMC Terrain, and Cadillac XTS.

Key Features

• Metal housing construction with a natural finish
• Includes thermostat and gasket seal for a complete housing service
• 180 degree F thermostat opening temperature
• Three mounting holes and four outlet ports
• Designed for vehicles exposed to repeated temperature cycling
• Direct replacement for OE-style cooling system service

Detailed Description

This Dorman thermostat housing assembly is engineered for the engine cooling system on a wide range of GM vehicles, including the Chevrolet Malibu, Buick LaCrosse, Cadillac SRX, and Saturn Vue. Part number 902-693 is built from metal for strength and thermal stability, with flange dimensions and port sizing that support proper coolant routing and sealing. It cross-references Dorman - Conduct-Tite 85947 for the same application.

Use this thermostat housing assembly when servicing the coolant outlet on vehicles that require a 180 degree F thermostat and a housing with integrated sealing components. The included gasket helps restore a secure seal at the housing interface, while the OE-style layout supports accurate fitment on applications across the 2007-2020 model years.

Common Repair Applications

• Coolant leaks at the thermostat housing
• Cracked or warped plastic housing replacement
• Engine temperature regulation concerns
• Failed thermostat causing overheating or slow warm-up
• Sealing issues at the coolant outlet connection

Installation Notes and Tips

Drain the cooling system before removal, clean the mating surfaces thoroughly, and inspect adjacent hoses and clamps for wear. This housing does not include mounting hardware, so reuse or replace fasteners as needed during installation. Verify the engine code and housing configuration against the vehicle before installation on Chevrolet Impala, Chevrolet Equinox, GMC Terrain, Buick LaCrosse, Cadillac SRX, and related applications.

Quality Assurance

Dorman designs this replacement thermostat housing assembly to match stock fit and durability requirements and to withstand extreme temperature changes for extended service life. Part number 902-693 is a regular-grade replacement component for cooling system repair on the listed GM applications.