Dorman 902-1059 Engine Coolant Thermostat Housing - Lower Front

Engine Coolant Thermostat Housing for Ford and Mercury

Dorman 902-1059 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 in the package help support a secure seal in the cooling system, while the housing is engineered to handle repeated temperature swings.

Compatible With 1979 Ford Mustang, lower front; 1975-1979 Ford Pinto, lower front; 1974-1977 Mercury Capri, lower front; 1979 Mercury Capri, lower front; and 1975-1979 Mercury Bobcat, lower front. This part cross-references Motorad CH2059 for the same application.

Key Features

• Metal thermostat housing with a natural finish
• Outlet port diameter: 1.25 in.
• Three mounting holes with 0.313 in. hole diameter
• Gasket included in the package contents
• 180-degree housing neck angle
• No air vent (bleeder valve) and no thermostat included
• Designed for lower front cooling system placement

Detailed Description

This Dorman engine coolant thermostat housing, part number 902-1059, is made for Ford Mustang, Ford Pinto, Mercury Capri, and Mercury Bobcat applications listed above. The metal housing is shaped to match the original layout and uses a 1.25-inch outlet port with a three-hole mounting pattern for proper cooling system alignment. Dorman 902-1059 is a practical OE-style replacement when the original housing is cracked, corroded, or no longer sealing correctly.

Common Cooling System Issues

• Coolant leakage at the thermostat housing
• Corrosion or pitting on the housing surface
• Warped sealing surfaces that affect gasket sealing
• Cracked housing neck or outlet connection
• Cooling system service needs on lower front engine coolant housing locations

Installation Notes and Tips

Verify the outlet diameter, mounting hole pattern, and lower front position before installation. Transfer the thermostat only if your application requires reuse, since the thermostat is not included. Clean the mating surfaces thoroughly and install the included gasket on a flat, dry surface to help achieve a proper seal.

Quality Assurance

Dorman designs this replacement housing to match stock fit and durability on the listed vehicles and to withstand extreme temperature changes for extended service life. Part number 902-1059 is built as a direct replacement for the specified Ford and Mercury cooling system applications.