Dorman 902-5022 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Acura and Honda

The Dorman 902-5022 engine coolant thermostat housing is designed to provide a durable and precise fit for select Acura and Honda models. Engineered from metal with a natural finish, this thermostat housing ensures efficient coolant flow and reliable engine temperature regulation.

Key Features of the Dorman 902-5022 Thermostat Housing

• Constructed from durable metal material for long-lasting performance
• Natural color finish for corrosion resistance and OEM appearance
• Includes a gasket for a secure, leak-free seal
• Features a 1.2-inch outlet port diameter for proper coolant flow
• Equipped with an air vent (bleeder valve) to eliminate trapped air
• Two mounting holes with 0.313-inch diameter for secure installation
• Housing neck angled at 45 degrees to match OEM specifications
• Package contains thermostat housing with gasket; bolts and thermostat not included

Detailed Description of the Thermostat Housing

The Dorman 902-5022 thermostat housing is specifically designed for compatibility with Acura and Honda vehicles, including the Civic del Sol, CR-V, and Integra models. Its metal construction offers enhanced durability compared to plastic alternatives, reducing the risk of cracks or leaks under high engine temperatures. The included gasket ensures a tight seal between the housing and engine block, preventing coolant leaks. The 45-degree housing neck angle and 1.2-inch outlet port diameter are engineered to match OEM specifications, ensuring proper coolant flow and system efficiency. Additionally, the built-in air vent (bleeder valve) helps remove trapped air from the cooling system, which can improve engine temperature regulation and prevent overheating.

Common Applications and Issues Addressed

• Replacement for cracked or leaking thermostat housing
• Prevents coolant leaks that can lead to engine overheating
• Restores proper coolant flow and temperature regulation
• Eliminates air pockets in the cooling system via bleeder valve
• Ensures secure mounting with two precise mounting holes

Installation Notes and Tips

• Verify compatibility with Acura Civic del Sol, CR-V, or Integra before installation
• Use the included gasket to ensure a leak-free seal
• Bolts are not included; reuse existing hardware or source OEM bolts
• Ensure the air vent (bleeder valve) is properly positioned to allow trapped air to escape
• Inspect the cooling system for other worn components during installation

Quality Assurance and Warranty Information

Dorman manufactures the 902-5022 thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction and precise engineering contribute to reliable performance in demanding engine environments. This part includes a gasket for proper sealing but does not include a thermostat or mounting bolts. Warranty coverage details should be confirmed with the distributor or manufacturer.