Dorman 902-5032 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for OE Fit

This Dorman engine coolant thermostat housing is a direct replacement for specified Honda and Isuzu applications. Built from metal with a natural finish, it is engineered to match the fit and durability of the original housing while handling repeated temperature swings in the cooling system.

Compatible with 1994 Honda Accord and 1996-1999 Isuzu Oasis cooling system applications, this thermostat housing includes a gasket and an air vent (bleeder valve) for service-ready installation. Part number 902-5032 is a practical OE-style solution when the original housing is cracked, warped, or leaking.

Key Features

• Metal thermostat housing with a natural finish
• Outlet port diameter: 1.25 in.
• 45-degree housing neck angle
• Two mounting holes with 0.313 in. diameter
• Air vent (bleeder valve) included
• Gasket included; thermostat not included
• Direct replacement for specified Honda Accord and Isuzu Oasis applications

Detailed Description

Dorman 902-5032 is an engine coolant thermostat housing designed to restore the sealing surface and coolant routing at the thermostat location. The metal construction supports long-term use in high-heat cooling system environments, and the included gasket helps create a proper seal at installation. This housing is a fitment-based replacement for 1994 Honda Accord and 1996-1999 Isuzu Oasis models, making it a focused option for drivers servicing those vehicles.

This part cross-references Four Seasons 85151 and Motorad CH5157 for the same application. Use 902-5032 when replacing a damaged thermostat housing on a Honda Accord or Isuzu Oasis and you need a housing that matches the original mounting and outlet configuration.

Common Problems This Part Can Address

• Coolant leaks at the thermostat housing
• Cracked or warped housing surfaces
• Corrosion or deterioration around the coolant outlet
• Air trapped in the cooling system during service
• Improper sealing after thermostat housing replacement

Installation Notes and Tips

Confirm the vehicle application before installation. This housing uses two mounting holes, includes a gasket, and does not include the thermostat or bolts. Clean the mating surfaces thoroughly, inspect the coolant hose connection, and use the bleeder valve to help remove trapped air during refill and bleeding procedures.

Quality Assurance

Dorman engineers this replacement housing to match the fit and durability of the stock thermostat housing on specified vehicles. It is built to withstand extreme temperature changes, helping support service life in demanding cooling system conditions.