Dorman 902-812 Engine Coolant Thermostat Housing Assembly - Water Pump

Overview of Dorman Engine Coolant Thermostat Housing Assembly

The Dorman 902-812 Engine Coolant Thermostat Housing Assembly is designed specifically for Mini Cooper and Mini Cooper Countryman models. This complete assembly includes a thermostat calibrated to open at 221 degrees Fahrenheit, ensuring precise engine temperature regulation.

• Material: Durable black plastic construction
• Includes thermostat with 221°F opening temperature
• Complete housing assembly with sensor included
• Three mounting holes for secure installation
• Five outlet ports for efficient coolant flow
• Flange dimensions: 4.375" length, 3.25" width, 0.9" thickness
• Gasket type included (gasket not separately packaged)
• Mounting hardware not included

Detailed Product Description

The Dorman 902-812 thermostat housing assembly is engineered to meet the cooling system requirements of Mini Cooper and Mini Cooper Countryman vehicles. Constructed from high-quality plastic, this black housing offers corrosion resistance and reliable performance under typical operating conditions. The assembly includes a thermostat that opens at 221 degrees Fahrenheit, helping maintain optimal engine temperature and prevent overheating. With five outlet ports and three mounting holes, the housing ensures proper coolant distribution and secure attachment to the engine block. The flange dimensions provide a precise fit, facilitating straightforward replacement of the original part.

Compatible Vehicles and Applications

This engine coolant thermostat housing assembly is compatible with the following Mini models:

• Mini Cooper
• Mini Cooper Countryman

Use this part number 902-812 when searching for a replacement thermostat housing assembly for these specific Mini vehicles.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to faulty thermostat operation
• Coolant leaks from cracked or damaged housing
• Inconsistent engine temperature regulation
• Corrosion or wear in original thermostat housing
• Coolant flow restrictions caused by damaged outlet ports

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Verify gasket condition and replace if necessary, as gasket is included but mounting hardware is not
• Clean mounting surfaces thoroughly to ensure a proper seal
• Torque mounting bolts to manufacturer specifications to prevent leaks
• Check coolant levels and refill as needed after installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-812 thermostat housing assembly undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.