Dorman 902-999 Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Dorman 902-999 is a replacement engine coolant thermostat housing assembly for select Ford applications, including Ford Courier and Ford Fiesta models. It is built to match the fit and durability of the original housing while handling repeated temperature swings in the cooling system.

With a plastic black housing, integrated thermostat, and included O-ring seal, this assembly supports a direct repair for leaking or damaged coolant outlet components. The thermostat opens at 180 degrees F. for proper coolant flow control in the specified vehicles.

Key Features

• Replacement thermostat housing assembly for select Ford Courier and Ford Fiesta applications
• Plastic housing with black finish
• Includes thermostat and O-ring seal
• Thermostat opening temperature: 180 Deg. F.
• Four outlet ports and six mounting holes
• OE-style fit and durability focus for cooling system service

Detailed Description

Dorman 902-999 thermostat housing assembly is engineered for vehicles that need a dependable coolant outlet and thermostat service part. The housing is shaped to match the stock configuration and is designed to withstand extreme temperature changes that can stress cooling system plastics over time. For Ford Courier and Ford Fiesta cooling system repairs, this part number 902-999 provides a direct replacement solution that restores thermostat housing function and coolant routing.

This part cross-references Motorad TA2999S for the same application.

Common Repair Symptoms

• Coolant leaking from the thermostat housing area
• Cracked or warped plastic housing
• Engine running too cool or too hot from thermostat issues
• Damaged outlet ports or sealing surfaces
• Cooling system service needed after housing failure

Installation Notes and Tips

Verify engine and vehicle application before installation. Inspect the mating surface, O-ring seal, and coolant passages for debris or damage before assembly. Because mounting hardware is not included, reuse or source the correct fasteners as needed for the repair. Refill and bleed the cooling system according to the vehicle service procedure after installation.

Quality Assurance

Dorman designs this replacement housing to match the fit and durability of the original equipment part on specified vehicles. The housing is built for regular-duty service in the cooling system and is intended to handle the thermal cycling common in daily driving.

• Compatible with 2003-2012 Ford Courier
• Compatible with 2011-2012 Ford Courier, 1.0L
• Compatible with 2005-2010 Ford Fiesta