Dorman 902-1035 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Ford and Mercury

Dorman 902-1035 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified vehicles. Its metal construction and gasket-included design help it stand up to repeated temperature swings in the cooling system.

Compatible with select Ford Mustang, Ford LTD, Mercury Cougar, and other classic Ford and Mercury applications, this thermostat housing is a direct-fit cooling system service part for restoration and repair work. The Dorman 902-1035 part number is also referenced in interchange listings for related applications.

Key Features

• Metal housing with a natural finish
• Outlet port diameter: 1.43 in.
• 90-degree housing neck angle
• Gasket or seal included
• Two mounting holes with 0.313 in. diameter
• No bleeder valve and no thermostat included
• Package contents: thermostat housing with gasket

Detailed Description

This engine coolant thermostat housing is engineered as a replacement for the stock housing used on select Ford and Mercury vehicles from the late 1960s through the mid-1970s. The metal body is built for cooling-system service where heat cycling and long-term durability matter, and the 90-degree neck angle supports the original hose routing on the listed applications. Dorman 902-1035 is a practical choice when servicing a Ford Mustang thermostat housing, Ford LTD cooling system, or Mercury Cougar thermostat housing application.

This part cross-references ACI 84858 and BBB Industries 7091 for the same application.

What It Helps Address

• Coolant leaks at a cracked or warped thermostat housing
• Corrosion or deterioration in the original housing
• Improper sealing at the thermostat housing gasket surface
• Cooling-system service on classic Ford and Mercury engines
• Replacement of a damaged housing neck or mounting flange

Installation Notes and Tips

Verify the outlet port diameter, mounting hole spacing, and 90-degree neck orientation before installation. This housing includes a gasket, but it does not include bolts or a thermostat. Clean the mating surfaces thoroughly and inspect the hose connection and surrounding cooling-system components before reassembly.

Quality Assurance

Dorman designs this replacement thermostat housing to match the fit and durability of the original part on the listed vehicles and to withstand extreme temperature changes for extended service life.