Dorman 902-1061 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Ford Tempo and Mercury Topaz

This Dorman engine coolant thermostat housing is a direct replacement for specified Ford and Mercury applications, including the Ford Tempo and Mercury Topaz. Built from metal with a natural finish, it is engineered to match the original housing’s fit and durability while handling repeated temperature swings in the cooling system.

Key Features

• Metal thermostat housing with a natural finish
• Includes gasket for a proper seal at installation
• Air vent (bleeder valve) included for cooling system service
• Two mounting holes with 0.313 in. diameter
• Outlet port diameter: 1.188 in.
• Housing neck angles: 90 and 180 degrees
• Thermostat not included

Detailed Product Overview

Dorman 902-1061 is an engine coolant thermostat housing designed for cooling system service on 1988-1994 Ford Tempo and 1988-1994 Mercury Topaz applications. The metal construction is selected for durability in high-heat, high-cycling environments, and the included gasket helps support a secure seal at the housing interface. This housing is a practical OE-style replacement for vehicles that need a serviceable thermostat housing with the correct outlet size, mounting pattern, and bleeder valve configuration. This part cross-references Four Seasons 84863 for the same application.

What This Part Helps Address

• Coolant leaks at the thermostat housing
• Cracked or corroded original housing
• Improper sealing at the cooling system connection
• Air trapped during cooling system bleeding
• Service issues caused by a worn housing neck or mounting surface

Installation Notes and Tips

Verify the outlet port diameter, mounting hole spacing, and housing neck angle before installation. Clean the mating surfaces thoroughly and replace any damaged coolant hoses or clamps during service. The thermostat is not included, so transfer or replace it separately as needed. Confirm the vehicle application by year and engine configuration before ordering; this part is listed for 1988-1994 Ford Tempo and 1988-1994 Mercury Topaz, including Mercury Topaz L4 2.3L coverage noted in the fitment data. Dorman 902-1061 also cross-references Motorad CH2161 for the same application.

Quality Assurance

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