Dorman 902-117 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Honda and Acura

Dorman 902-117 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 black plastic and engineered to handle repeated temperature swings in the cooling system. This housing is a direct-fit option for select Honda Civic, Honda CR-V, and Acura RSX applications.

Key Features

• Replacement engine coolant thermostat housing for select Honda and Acura vehicles
• Black plastic construction for OE-style fit and function
• Includes gasket or seal and O-ring
• Three mounting holes with 95-degree housing neck angle
• Outlet port diameter: 2.3; inlet port diameter: 0.5
• Housing height: 3.65; outside diameter: 4.01 in
• Thermostat not included
• Air vent (bleeder valve) not included

Detailed Description

Dorman 902-117 is engineered as a direct replacement thermostat housing for cooling system service on 2002-2006 Acura RSX, 2002-2006 Honda CR-V, and 2002-2005 Honda Civic applications. The housing is designed to match the original fit and mounting layout, helping maintain proper coolant routing at the engine coolant outlet. This part cross-references Gates CO34888 for the same application.

Built from plastic with a black finish, this engine coolant thermostat housing is shaped for the specified mounting pattern and port dimensions. The included gasket or seal and O-ring support a proper seal at installation. For shoppers searching for a 2002 Honda Civic thermostat housing, 2003-2005 Honda Civic coolant outlet, or 2002-2006 Honda CR-V thermostat housing replacement, Dorman 902-117 provides a vehicle-specific solution.

What It Helps Address

• Coolant leaks at the thermostat housing
• Cracked or warped plastic housing surfaces
• Improper sealing at the engine coolant outlet
• Cooling system service on aging Honda Civic, Honda CR-V, or Acura RSX housings
• Fitment issues caused by a damaged original housing

Installation Notes and Tips

Verify the housing neck angle, port sizes, and mounting hole layout before installation. Clean the mating surfaces thoroughly and inspect the cooling system for related wear, including the thermostat and hoses, before reassembly. This part does not include the thermostat or air bleeder valve.

Quality Assurance

Dorman designs this replacement housing to match the stock part’s fit and durability on the listed vehicles and to withstand extreme temperature changes for extended service life.