Dorman 902-2055 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-2055

The Dorman 902-2055 engine coolant thermostat housing is designed specifically for Chevrolet G10, G20, and G30 models. Constructed from durable metal with a natural finish, this thermostat housing ensures reliable performance and proper engine cooling system function.

• Material: Metal construction for durability
• Color: Natural finish
• Outlet port diameter: 1.375 inches
• Includes gasket for secure sealing
• Two mounting holes with 0.313 inch diameter each
• Housing neck angle: 80 degrees for precise fitment
• Thermostat not included
• No bolts included
• Compatible with Chevrolet G10, G20, and G30 models

Detailed Product Description

The Dorman 902-2055 thermostat housing is engineered to meet the specifications required for Chevrolet G10, G20, and G30 vans. Its metal construction provides strength and resistance to heat and corrosion, essential for maintaining the integrity of the engine cooling system. The natural color finish allows for easy inspection during maintenance. The housing features an 80-degree neck angle and a 1.375-inch outlet port diameter, ensuring proper hose alignment and coolant flow. Included with the housing is a gasket to help prevent leaks and maintain a tight seal. This part requires no O-rings and does not include bolts, so existing hardware can be reused during installation.

Common Applications and Issues Addressed

• Replacement of cracked or damaged thermostat housing
• Resolving coolant leaks around the thermostat area
• Preventing engine overheating due to faulty housing
• Restoring proper coolant flow in Chevrolet G10, G20, and G30 vans
• Maintaining engine temperature regulation without thermostat included

Installation Notes and Tips

When installing the Dorman 902-2055 thermostat housing, ensure the gasket is properly seated to avoid coolant leaks. Use the two mounting holes with 0.313-inch diameter bolts to secure the housing firmly. Since bolts are not included, reuse the original hardware or source compatible bolts. Verify the 80-degree neck angle aligns correctly with the coolant hose to prevent stress or misalignment. Note that the thermostat is not included and must be installed separately if needed.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function for Chevrolet G10, G20, and G30 vehicles. The 902-2055 thermostat housing undergoes quality checks to ensure durability and performance. Warranty coverage details can be obtained from the product documentation or manufacturer directly.