Dorman 902-2054 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Buick and Chevrolet

The Dorman 902-2054 engine coolant thermostat housing is designed to provide a durable and precise fit for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered from metal with a natural finish, this thermostat housing ensures consistent performance and long-lasting service.

• Constructed from durable metal material for strength and heat resistance
• Includes a gasket for a secure, leak-free seal
• Outlet port diameter of 1.5 inches for proper coolant flow
• Two mounting holes with 0.313-inch diameter for secure installation
• Housing neck angle of 75 degrees to match OEM specifications
• Compatible with Buick, Chevrolet, Oldsmobile, and Pontiac models including Century, Celebrity, Citation, Cutlass Ciera, Omega, Phoenix, and Skylark
• Thermostat not included; designed to fit existing thermostat units

Product Details and Specifications

The Dorman 902-2054 thermostat housing is crafted from metal to withstand the high temperatures and pressures within the engine cooling system. Its natural color finish matches OEM appearance and resists corrosion. The housing features a 1.5-inch outlet port diameter, ensuring proper coolant flow to maintain engine temperature. Two mounting holes, each with a diameter of 0.313 inches, provide a secure attachment point. The 75-degree housing neck angle aligns with factory design for seamless integration. This part includes a gasket to help prevent leaks but does not come with bolts or a thermostat, allowing compatibility with existing components.

Compatible Vehicles and Applications

This thermostat housing is compatible with a range of GM vehicles, specifically Buick, Chevrolet, Oldsmobile, and Pontiac models such as the Buick Century and Skylark, Chevrolet Celebrity and Citation series, Oldsmobile Omega, and Pontiac Phoenix and Cutlass Ciera. The Dorman 902-2054 is an ideal replacement part for maintaining proper engine cooling system function in these vehicles.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Overheating due to improper coolant flow
• Corrosion or wear compromising the housing seal
• Loose or broken mounting points affecting coolant system integrity
• Replacement of worn or missing gaskets to prevent leaks

Installation Notes and Tips

When installing the Dorman 902-2054 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 correct torque specifications for the two mounting bolts (not included) to avoid warping the housing. Verify the 75-degree neck angle aligns correctly with the coolant hoses. Since the thermostat is not included, inspect the existing thermostat and replace if necessary for optimal performance.

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 under typical engine operating conditions. 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 existing components. Dorman typically offers a limited warranty on their parts; please refer to official Dorman documentation for specific warranty details.