Dorman 902-808 Engine Coolant Thermostat Housing Assembly - Water Pump

Reliable Engine Coolant Thermostat Housing Assembly for Buick and Chevrolet

The Dorman 902-808 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select Buick and Chevrolet models. This assembly includes a thermostat, housing, integrated sensor, and gasket to ensure a precise fit and reliable performance.

• Material: Durable black plastic construction
• Includes thermostat with 221°F opening temperature
• Comes with integrated sensor and gasket for proper sealing
• Three mounting holes for secure installation
• Flange dimensions: 3.47" length, 2.65" width, 0.4" thickness
• Compatible with Buick Encore and Chevrolet Cruze, Cruze Limited, Sonic, and Trax

Product Details and Specifications

This engine coolant thermostat housing assembly by Dorman is engineered with a plastic housing that offers corrosion resistance and durability under typical engine conditions. The included thermostat opens at 221 degrees Fahrenheit, helping regulate coolant flow to maintain engine temperature within manufacturer specifications. The assembly features one outlet port and three mounting holes with bolt hole center distances of 2.21 in, 2.73 in, and 2.83 in, ensuring a precise fit on compatible vehicles. The package contains one thermostat housing, one thermostat, an integrated sensor, and a gasket to provide a complete replacement solution.

Compatible Vehicles and Applications

This Dorman 902-808 thermostat housing assembly is compatible with the following makes and models:

• Buick Encore
• Chevrolet Cruze and Cruze Limited
• Chevrolet Sonic
• Chevrolet Trax

It is designed specifically for these vehicles to ensure proper fitment and function, making it suitable for engine cooling system repairs or maintenance.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to faulty thermostat housing leaks
• Coolant leaks caused by cracked or damaged housing
• Erratic engine temperature readings from sensor failure
• Thermostat sticking or failing to open at correct temperature
• Corrosion or wear compromising coolant flow and engine performance

Installation Notes and Tips

Installation requires removal of the old thermostat housing and careful cleaning of the mounting surface. The included gasket should be properly seated to prevent coolant leaks. Note that mounting hardware is not included, so original bolts should be reused or replaced as needed. Ensure all connections are secure and check for leaks after installation. This assembly integrates a sensor, so electrical connections must be handled carefully to avoid damage.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-808 thermostat housing assembly undergoes quality checks to ensure durability and reliable operation. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to provide confidence in your replacement part.