Dorman 902-5058 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Honda

Dorman 902-5058 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified vehicles. It is made from metal and engineered to handle extreme temperature changes, helping maintain reliable cooling system performance on Honda Accord and Honda Prelude applications.

• Metal housing with a natural finish
• Outlet port diameter: 1 in.
• 90-degree housing neck angle
• Two mounting holes with 0.313 in. diameter
• Gasket included; thermostat not included
• No bleeder valve and no bolts included

Fitment Details

• Fits 1984-1989 Honda Accord, engine coolant thermostat housing for cooling system.
• Fits 1983-1987 Honda Prelude, engine coolant thermostat housing for cooling system.

This Dorman thermostat housing 902-5058 is a direct replacement for the stock coolant outlet housing used in these Honda cooling system applications. It cross-references Motorad CH6058 for the same application.

What This Part Helps Address

• Cracked or warped thermostat housing
• Coolant leaks at the housing or gasket surface
• Corrosion or heat-related housing damage
• Improper sealing at the coolant outlet
• Cooling system service on aging Honda Accord and Honda Prelude vehicles

Installation Notes

Verify the outlet port diameter, 90-degree neck angle, and two-hole mounting pattern before installation. Transfer or install the thermostat separately, since it is not included. Use the included gasket and follow the vehicle service procedure for coolant draining, surface cleaning, and refill/bleeding as required by the application.

Quality Assurance

Dorman designs this replacement thermostat housing to match stock fit and durability requirements for the listed vehicles. The metal construction is selected to withstand repeated temperature cycling in the cooling system.