Dorman 902-2040 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Chevrolet and GMC

The Dorman 902-2040 engine coolant thermostat housing is designed to provide a durable and precise fit for various Chevrolet and GMC models. Crafted from metal with a natural finish, this thermostat housing ensures reliable performance and long-lasting service in your vehicle's cooling system.

• Constructed from durable metal material for strength and heat resistance
• Natural color finish for corrosion resistance and OEM appearance
• Includes a gasket for a secure, leak-free seal
• Features two mounting holes with a diameter of 0.313 inches for proper installation
• Outlet port diameter measures 1.5 inches to match cooling system specifications
• Designed with a 180° housing neck angle for correct coolant flow
• Compatible with Chevrolet and GMC trucks and SUVs including C10, C1500, Camaro, and more

Product Details and Specifications

The Dorman 902-2040 thermostat housing is engineered to meet the exacting standards required for engine cooling systems in Chevrolet and GMC vehicles. This metal housing comes with a pre-installed gasket to ensure a tight seal and prevent coolant leaks. The housing features two mounting holes sized at 0.313 inches in diameter, allowing for secure attachment to the engine block. Its 1.5-inch outlet port diameter is designed to maintain proper coolant flow, while the 180-degree neck angle aligns with OEM specifications for optimal performance. This part does not include the thermostat or bolts, and no O-rings are required for installation.

Compatible Vehicles and Applications

This thermostat housing is compatible with a wide range of Chevrolet and GMC models, including:

• Chevrolet C10, C10 Suburban, C15, C20, C30
• Chevrolet C1500, C1500 Suburban, C2500, C3500
• Chevrolet Camaro, Caprice, Impala, Nova
• GMC G10, G20, G30, Jimmy, K5 Blazer
• GMC K10, K10 Suburban, K20, K1500, K1500 Suburban, K2500

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Overheating due to improper coolant flow
• Corrosion and wear from prolonged exposure to engine heat
• Loose or damaged mounting points leading to coolant system failure
• Replacement of worn or missing gaskets to prevent leaks

Installation Notes and Tips

When installing the Dorman 902-2040 thermostat housing, ensure the engine is cool before beginning work. Remove the old housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket. Use the two mounting holes with 0.313-inch diameter bolts (not included) to secure the housing firmly. Verify the 180-degree neck angle aligns correctly with the coolant hoses. Since the thermostat is not included, inspect and replace the thermostat separately if needed.

Quality Assurance and Warranty

Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction provides durability and resistance to heat and corrosion. This part includes a gasket to ensure a reliable seal. While bolts and thermostat are not included, the housing is designed for straightforward installation with OEM specifications. Warranty coverage details can be obtained from Dorman directly or through authorized distributors.