Dorman 902-2001 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for GM Vehicles

The Dorman 902-2001 engine coolant thermostat housing is designed to provide a durable and precise fit for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Crafted from metal with a natural finish, this thermostat housing ensures proper coolant flow and temperature regulation for your vehicle's engine.

• Constructed from durable metal material for long-lasting performance
• Includes a gasket for a secure, leak-free seal
• Features a 1.25-inch outlet port diameter for optimal coolant flow
• Equipped with an air vent (bleeder valve) to prevent air pockets
• Two mounting holes with 0.313-inch diameter for secure installation
• Housing neck angle of 180 degrees for precise fitment
• Package contains thermostat housing with gasket; bolts and thermostat not included

Detailed Product Description

The Dorman 902-2001 thermostat housing is engineered to meet the specifications required by various GM vehicles, including Buick LeSabre, Chevrolet Impala, Oldsmobile 88, and Pontiac Grand Prix. Its metal construction offers resistance to heat and corrosion, ensuring reliable operation under engine conditions. The natural color finish maintains the original equipment appearance. The included gasket helps prevent coolant leaks, while the built-in air vent (bleeder valve) allows trapped air to escape, reducing the risk of overheating. The housing neck angle of 180 degrees and the 1.25-inch outlet port diameter are designed to match OEM configurations for a seamless replacement.

Compatible Vehicles and Applications

This thermostat housing is compatible with a range of GM models, including but not limited to:

• Buick 88, LeSabre, Lucerne, Park Avenue
• Chevrolet Impala, Lumina, Monte Carlo
• Oldsmobile 98, LSS, Regency
• Pontiac Allure, Bonneville, Grand Prix, Intrigue, Riviera, Regal

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Engine overheating due to improper coolant flow
• Air pockets in the cooling system leading to inefficient temperature regulation
• Corrosion or wear compromising the housing's integrity
• Failed seals causing coolant loss and engine damage

Installation Notes and Tips

When installing the Dorman 902-2001 thermostat housing, ensure the mounting surfaces are clean and free of old gasket material. Use the included gasket to create a proper seal and prevent leaks. Note that bolts are not included, so reuse the original hardware or source appropriate replacements. The air vent (bleeder valve) should be positioned correctly to allow trapped air to escape during coolant system bleeding. Verify the housing neck angle and outlet port diameter match your vehicle’s specifications before installation.

Quality Assurance and Warranty

Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction and included gasket contribute to a reliable seal and long service life. While specific warranty details are not provided here, Dorman products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.