Dorman 902-217 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Ford, Lincoln, and Mercury

The Dorman 902-217 engine coolant thermostat housing is designed to provide a durable and precise fit for select Ford, Lincoln, and Mercury vehicles. Crafted from aluminum with a silver finish, this thermostat housing ensures efficient heat dissipation and long-lasting performance for your cooling system.

• Constructed from corrosion-resistant aluminum material
• Silver color finish for durability and corrosion resistance
• Outlet port diameter of 2.25 inches for proper coolant flow
• Includes gasket and O-rings for a secure, leak-free seal
• Two mounting holes with 0.625-inch diameter for stable installation
• Housing neck angled at 90 degrees from base for correct hose alignment
• Package contains one water outlet and one gasket; bolts not included

Product Details and Specifications

The Dorman 902-217 thermostat housing is engineered to meet OEM specifications for select Ford Mustang, Lincoln Mark VIII, Mercury Cougar, and Thunderbird models. Its aluminum construction offers enhanced heat resistance and durability compared to plastic alternatives. The housing features a 2.25-inch outlet port diameter and a 90-degree neck angle from the base, ensuring proper coolant routing and compatibility with factory hoses. Included with the housing are a gasket and O-rings to help maintain a tight seal and prevent coolant leaks. Note that this part does not include a thermostat or mounting bolts.

Compatible Vehicles and Applications

This engine coolant thermostat housing is compatible with the following vehicles:

• Ford Mustang
• Lincoln Mark VIII
• Mercury Cougar
• Ford Thunderbird

It is designed specifically for models requiring a 2.25-inch outlet port and a 90-degree housing neck angle, ensuring a precise fit and reliable operation within the cooling system.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housings
• Overheating due to improper coolant flow or housing failure
• Corrosion and wear from prolonged exposure to engine heat and coolant
• Loose or damaged seals leading to coolant loss
• Misalignment of coolant hoses affecting system performance

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Remove the old thermostat housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket and O-rings. Use the two mounting holes with 0.625-inch diameter bolts (not included) to secure the housing firmly. Verify the 90-degree neck angle aligns correctly with the coolant hose to prevent kinks or leaks. Double-check all connections before refilling the cooling system and starting the engine.

Quality Assurance and Warranty Information

Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides resistance to corrosion and thermal stress, contributing to long service life. This part includes a gasket and O-rings to ensure a reliable seal. While bolts and thermostat are not included, the housing is designed for straightforward installation with factory components. Warranty coverage details can be obtained from the product packaging or Dorman's official documentation.