Dorman 902-1029 Engine Coolant Thermostat Housing - Lower

Reliable Engine Coolant Thermostat Housing for Ford and Mercury Vehicles

The Dorman 902-1029 engine coolant thermostat housing is designed to provide a durable and precise fit for select Ford and Mercury models. Engineered with quality plastic material and including essential seals, this thermostat housing supports efficient engine temperature regulation.

• Constructed from durable black plastic for corrosion resistance
• Includes gasket and two O-rings for a secure, leak-free seal
• Outlet port diameter measures 1.125 inches for proper coolant flow
• Features six mounting holes with 0.313-inch diameter for stable installation
• Housing neck angle set at 45 degrees to match OEM specifications
• Compatible with Ford Explorer, Explorer Sport Trac, Mountaineer, Mustang, and Ranger models
• Part number 902-1029 ensures exact replacement fit

Product Details and Specifications

This engine coolant thermostat housing by Dorman is molded from high-quality plastic, providing resistance to heat and corrosion commonly encountered in cooling systems. The black finish complements the engine bay while maintaining durability. The housing includes a gasket and two O-rings to ensure a tight seal and prevent coolant leaks. With six mounting holes sized at 0.313 inches in diameter, installation is secure and aligns with factory mounting points. The outlet port diameter of 1.125 inches supports proper coolant flow, and the 45-degree housing neck angle matches the original equipment design for seamless integration.

Compatible Vehicles and Applications

This thermostat housing is compatible with various Ford and Mercury vehicles, including:

• Ford Explorer
• Ford Explorer Sport Trac
• Mercury Mountaineer
• Ford Mustang
• Ford Ranger

Use part number 902-1029 to ensure compatibility and proper fitment for these models.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Overheating due to faulty or warped housing affecting thermostat operation
• Improper coolant flow from worn or missing seals
• Engine temperature fluctuations related to housing misalignment
• Replacement of OEM housing after corrosion or physical damage

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 remove old gasket material and debris. Install the included gasket and O-rings to maintain a proper seal. Torque mounting bolts evenly to manufacturer specifications. Note that bolts are not included with this part and must be reused or sourced separately.

Quality Assurance and Warranty

Dorman manufactures this engine coolant thermostat housing to meet or exceed OEM standards for fit, form, and function. The inclusion of a gasket and O-rings helps ensure a reliable seal and long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. Refer to Dorman's official warranty policy for complete information.