Dorman 902-841 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing Replacement

The Dorman 902-841 engine coolant thermostat housing is designed to provide a durable and precise fit for your vehicle's cooling system. Crafted from aluminum with a silver finish, this thermostat housing ensures efficient heat dissipation and long-lasting performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Silver color for corrosion protection and aesthetic match
• Outlet port diameter of 1 inch for standard coolant flow
• Includes an air vent (bleeder valve) to prevent air pockets
• Three mounting holes with 0.25 inch diameter for secure installation
• Housing neck angle perpendicular to base for proper hose alignment
• Does not include thermostat, gasket, O-rings, or bolts

Durable Aluminum Construction and Design Features

The Dorman 902-841 thermostat housing is engineered from aluminum, offering excellent resistance to corrosion and heat. Its silver finish complements the engine bay while providing additional protection against environmental factors. The housing features a 1-inch outlet port diameter, suitable for standard coolant hoses, and a perpendicular neck angle to ensure proper hose routing. The inclusion of an air vent (bleeder valve) helps eliminate trapped air in the cooling system, improving coolant circulation and engine temperature regulation. With three mounting holes sized at 0.25 inches, this housing secures firmly to the engine block, maintaining a tight seal and preventing leaks.

Compatible Vehicle Applications

This engine coolant thermostat housing is compatible with various makes and models requiring a 1-inch outlet port and a perpendicular housing neck angle. It is important to verify fitment with your specific vehicle's year, make, and model to ensure proper installation and function. The Dorman 902-841 is commonly used in applications where a durable aluminum housing with an integrated air vent is necessary.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housings
• Overheating due to improper coolant flow or trapped air pockets
• Corrosion and wear from prolonged exposure to engine heat and coolant
• Loose or misaligned hose connections resulting in coolant loss
• Failure of original plastic housings under thermal stress

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Inspect and replace the thermostat, gasket, and O-rings separately as they are not included
• Clean mounting surfaces thoroughly to prevent leaks
• Use appropriate torque specifications for mounting bolts (not included)
• Bleed the cooling system after installation to remove air pockets via the built-in air vent

Quality Assurance and Warranty Information

Dorman manufactures the 902-841 thermostat housing to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides durability and resistance to corrosion, contributing to a longer service life. While this part does not include a thermostat or mounting hardware, it is backed by Dorman's quality assurance processes. Please consult Dorman's warranty policy for specific coverage details.