Dorman 902-959 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly

The Dorman 902-959 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature by regulating coolant flow. This black plastic housing includes a thermostat calibrated to open at 190 degrees Fahrenheit, ensuring efficient engine cooling for compatible vehicles.

• Durable black plastic construction for corrosion resistance
• Includes thermostat with 190°F opening temperature
• Comes with gasket for secure, leak-free installation
• Features 3 mounting holes for stable attachment
• Equipped with 5 outlet ports to support coolant flow
• Flange dimensions: 1.3" length, 0.28" thickness, 1.7" width
• Package contains one water outlet assembly

Product Details and Specifications

The Dorman 902-959 thermostat housing assembly is constructed from high-quality plastic to resist corrosion and wear over time. It includes a pre-installed thermostat that opens at 190 degrees Fahrenheit, helping to regulate engine temperature effectively. The assembly features three mounting holes for secure installation and five outlet ports to facilitate proper coolant circulation. A gasket is included to ensure a tight seal between the housing and engine block, preventing leaks. The flange dimensions provide a precise fit for compatible applications.

Compatible Vehicles and Applications

This engine coolant thermostat housing assembly is compatible with various makes and models requiring a thermostat opening temperature of 190°F. It is commonly used in vehicles where the original equipment manufacturer specifies a plastic housing with multiple outlet ports and a three-hole mounting pattern. For specific fitment, verify compatibility with your vehicle’s year, make, and model using the part number 902-959.

• Helps resolve engine overheating issues caused by faulty thermostat housing
• Prevents coolant leaks from damaged or worn housings
• Restores proper coolant flow for efficient engine temperature regulation
• Replaces cracked or warped thermostat housings
• Addresses thermostat failure symptoms such as engine temperature fluctuations

Installation Notes and Tips

When installing the Dorman 902-959 thermostat housing assembly, ensure the engine is cool before beginning work. Remove the old housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly before placing the new gasket and housing. Tighten mounting bolts evenly to the manufacturer’s torque specifications to prevent leaks. Since mounting hardware is not included, reuse original bolts or acquire appropriate replacements. Verify coolant levels and check for leaks after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-959 thermostat housing assembly undergoes rigorous quality control to ensure durability and reliable performance. This part includes a gasket for proper sealing and is backed by Dorman’s limited warranty against defects in material and workmanship. For detailed warranty terms, refer to Dorman’s official documentation.