Dorman 902-2006 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Chevrolet and GMC

The Dorman 902-2006 engine coolant thermostat housing is designed to provide a durable and precise fit for select Chevrolet and GMC trucks and vans. Constructed from metal with a natural finish, this thermostat housing ensures reliable performance in your vehicle's cooling system.

• Durable metal construction with natural color finish
• Includes gasket for a secure seal
• Outlet port diameter of 1.5 inches for proper coolant flow
• Two mounting holes with 0.313-inch diameter for secure installation
• 90-degree housing neck angle for correct hose alignment
• Compatible with Chevrolet and GMC models including C1500, C2500, C3500, and more

Product Details and Specifications

The Dorman 902-2006 thermostat housing is engineered to meet the exact specifications required for proper engine cooling system operation. Its metal construction offers strength and resistance to heat and corrosion. The included gasket ensures a tight seal between the housing and engine block, preventing coolant leaks. The housing features a 1.5-inch outlet port diameter and a 90-degree neck angle, designed to align with the vehicle’s coolant hoses. With two mounting holes sized at 0.313 inches, it provides a secure and stable fit without the need for additional O-rings or bolts. This thermostat housing does not include the thermostat itself or an air vent bleeder valve.

Compatible Vehicles and Applications

This thermostat housing is compatible with a range of Chevrolet and GMC trucks and vans, including:

• Chevrolet C1500, C2500, C2500 Suburban, C3500
• GMC K2500, K2500 Suburban, K3500
• GMC G30, P30, P3500, R2500 Suburban, R3500, V3500

Use this part when replacing a damaged or leaking thermostat housing on these specific models to maintain proper engine temperature regulation.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or warped thermostat housing
• Overheating due to improper coolant flow
• Corrosion damage affecting housing integrity
• Loose or damaged mounting points leading to coolant loss
• Replacement of worn or missing gaskets to prevent leaks

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Remove the old thermostat housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket. Align the housing using the two mounting holes and tighten bolts to manufacturer torque specifications (bolts not included). Verify hose connections match the 90-degree neck angle and 1.5-inch outlet port diameter for proper fitment.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-2006 thermostat housing undergoes quality inspections to ensure durability and reliable performance. While specific warranty details are not provided, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.