Dorman 902-5008 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Honda Cooling Systems

Dorman 902-5008 is a replacement engine coolant thermostat housing built for specified Honda cooling system applications. It matches the stock housing’s fit and durability requirements and uses a metal construction with a natural finish for dependable service in high-temperature engine environments.

Key Features

• Metal thermostat housing with a natural finish
• Includes gasket for sealing at installation
• 90-degree housing neck angle
• 1.19 in. outlet port diameter
• Three mounting holes with 0.313 in. mounting hole diameter
• No bleeder valve, no thermostat included
• Fits 1990-1993 Honda Accord and 1992-1996 Honda Prelude cooling system applications

Detailed Product Overview

This Dorman thermostat housing, part number 902-5008, is engineered as a direct replacement for the original engine coolant thermostat housing used on select Honda Accord and Honda Prelude models. The metal housing is built to handle repeated temperature swings in the cooling system, helping maintain a secure seal and stable coolant routing at the thermostat location. This part cross-references Four Seasons 85111 for the same application.

Common Cooling System Issues It Can Address

• Coolant leakage at the thermostat housing
• Cracked or corroded original housing
• Improper sealing at the thermostat mounting point
• Cooling system service needs on aging Honda Accord and Honda Prelude engines
• Housing wear caused by repeated heat cycling

Installation Notes and Tips

Verify the outlet port diameter, 90-degree neck angle, and three-hole mounting pattern before installation. Replace the gasket supplied with the housing during assembly and inspect the mating surfaces for corrosion or residue. This part does not include a thermostat or bolts, so reuse or source those components as needed for the specific repair. Confirm vehicle application by year and model before ordering; this part fits 1990-1993 Honda Accord and 1992-1996 Honda Prelude.

Quality Assurance

Dorman designs replacement cooling system components to match original fit and service requirements on specified vehicles. Part number 902-5008 is built for direct replacement use in Honda Accord and Honda Prelude applications where the original thermostat housing has worn, leaked, or deteriorated.