Dorman 902-5830 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Acura, Honda, and Isuzu

The Dorman 902-5830 engine coolant thermostat housing is designed to provide a durable and precise fit for select Acura, Honda, and Isuzu vehicles. Engineered from steel with a black finish, this thermostat housing ensures reliable performance and long-lasting service in your cooling system.

• Constructed from durable steel material for strength and corrosion resistance
• Black color finish for corrosion protection and clean appearance
• Outlet port diameter of 1.39 inches and inlet port diameter of 2.34 inches
• Four mounting holes with precise bolt hole center measurements for accurate fitment
• Flange thickness of 0.105 inches for secure sealing
• Includes one thermostat housing; gasket, bolts, and thermostat not included

Detailed Description of Dorman 902-5830 Thermostat Housing

This engine coolant thermostat housing by Dorman is specifically designed to fit Acura Passport, Honda models, and Isuzu Passport, Rodeo, Rodeo Sport, and SLX vehicles. The steel construction provides enhanced durability compared to plastic alternatives, helping to withstand high engine temperatures and pressure. The housing features a black finish that offers additional corrosion resistance, extending the life of the component. With four mounting holes and multiple bolt hole center-to-center measurements (1.402, 2.24, 2.38, and 2.7 inches), this housing ensures a precise and secure installation. The inlet and outlet port diameters (2.34 inches and 1.39 inches respectively) are designed to match OEM specifications for proper coolant flow.

Common Applications and Issues Addressed

• Replacement for cracked or leaking thermostat housing
• Resolves coolant leaks causing engine overheating
• Addresses corrosion damage in original housing
• Prevents coolant contamination and loss of pressure
• Restores proper thermostat mounting and coolant flow

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Inspect and replace the thermostat and gasket separately, as they are not included
• Clean mounting surfaces thoroughly to ensure a proper seal
• Use appropriate torque specifications for mounting bolts to avoid damage
• Check coolant levels and system pressure after installation

Quality Assurance and Warranty Information

Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. While the product does not include a gasket, bolts, or thermostat, it is engineered for reliable performance in the specified Acura, Honda, and Isuzu models. Warranty coverage details can be obtained from Dorman or the distributor, ensuring confidence in the product's durability and quality.