Dorman 902-5053 Engine Coolant Thermostat Housing

Dorman 902-5053 Thermostat Housing

Dorman 902-5053 is a replacement engine coolant thermostat housing built for specified Acura Integra and Honda Civic applications. It uses a metal housing with a gasket included to help restore a secure coolant seal and maintain proper cooling system function.

Key Features

• Metal construction with a natural finish
• Outlet port diameter: 1.125 in.
• Two mounting holes with 0.313 in. diameter
• 60-degree housing neck angle
• Gasket or seal included
• No thermostat included
• No bleeder valve and no bolts included

Detailed Description

This engine coolant thermostat housing is engineered to match the fit and durability of the original housing on select vehicles. The metal design is made to handle repeated temperature swings in the cooling system, helping maintain a stable seal at the thermostat mounting point. Dorman 902-5053 is a direct-fit replacement for 1986-1989 Acura Integra and 1984-1988 Honda Civic cooling system service.

This part cross-references Motorad CH6053 for the same application.

What It Helps Fix

• Coolant leaks at the thermostat housing
• Cracked or corroded original housing
• Improper sealing at the cooling system connection
• Cooling system service on aging Acura Integra and Honda Civic engines

Installation Notes and Tips

Verify the outlet port diameter, mounting hole spacing, and 60-degree neck angle before installation. Transfer or install the thermostat separately, since it is not included. Replace the gasket surface as needed and inspect adjacent cooling system components for wear before reassembly.

Quality Assurance

Dorman designs this replacement thermostat housing to match stock fit and durability requirements for the listed applications. The metal construction is selected to withstand extreme temperature changes and support long service life in the cooling system.