Dorman 902-5042 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing

The Dorman 902-5042 engine coolant thermostat housing is designed specifically for Honda Civic and CRX models. Constructed from durable metal with a natural finish, this thermostat housing ensures reliable performance and proper engine temperature regulation.

• Material: Metal construction for durability
• Color: Natural metal finish
• Outlet port diameter: 1 inch
• Includes gasket for secure sealing
• Two mounting holes with 0.313 inch diameter
• Equipped with an air vent (bleeder valve) for system bleeding
• Housing neck angle: 90 degrees for precise fitment
• Thermostat not included
• Bolts not included

Detailed Product Description

The Dorman 902-5042 thermostat housing is engineered to meet the specifications of Honda Civic and CRX vehicles, providing a direct replacement for the original part. Its metal construction offers resistance to heat and corrosion, essential for maintaining the integrity of the engine cooling system. The included gasket ensures a tight seal between the housing and engine block, preventing coolant leaks. The 90-degree housing neck angle and 1-inch outlet port diameter are designed to match OEM dimensions, facilitating straightforward installation and compatibility.

Compatible Vehicles and Common Applications

This thermostat housing is compatible with various Honda Civic and CRX models, making it suitable for owners seeking a reliable replacement part. It addresses several common cooling system issues, including:

• Coolant leaks around the thermostat housing
• Overheating due to faulty or damaged housing
• Air trapped in the cooling system causing inefficient coolant flow
• Cracks or corrosion in the original thermostat housing
• Improper thermostat seating leading to engine temperature fluctuations

Installation Notes and Tips

When installing the Dorman 902-5042 thermostat housing, ensure the engine is cool before beginning work. Remove the old housing carefully to avoid damaging surrounding components. Use the included gasket to create a proper seal and tighten mounting bolts evenly to the manufacturer's torque specifications. Since bolts are not included, reuse the original hardware or source appropriate replacements. The built-in air vent (bleeder valve) should be used to remove trapped air from the cooling system after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your Honda Civic or CRX. The 902-5042 thermostat housing undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.