Dorman 902-2004 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for GM Vehicles

The Dorman 902-2004 engine coolant thermostat housing is designed to provide a durable and precise fit for select Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models. Crafted from metal with a natural finish, this thermostat housing ensures consistent engine temperature regulation and reliable cooling system performance.

• Constructed from durable metal material for long-lasting use
• Natural color finish matching original equipment appearance
• 1.25-inch outlet port diameter for proper coolant flow
• Includes gasket for a secure, leak-free seal
• Two mounting holes with 0.313-inch diameter for stable installation
• 180-degree housing neck angle to match OEM specifications
• Thermostat not included, housing only

Detailed Product Description

The Dorman 902-2004 engine coolant thermostat housing is engineered to meet the exact specifications required by various GM vehicles, including Buick Achieva, Chevrolet Impala, Pontiac Grand Prix, and Saturn L-Series models. Its metal construction offers enhanced durability compared to plastic alternatives, resisting warping and cracking under high engine temperatures. The natural finish maintains the original equipment look, while the included gasket ensures a tight seal to prevent coolant leaks. With two mounting holes sized at 0.313 inches and a 180-degree housing neck angle, this thermostat housing aligns precisely with factory mounting points and coolant hose connections.

Compatible Vehicles and Applications

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

• Buick Achieva, Century, Regal
• Chevrolet Impala, Lumina, Malibu, Monte Carlo
• Oldsmobile Cutlass, Cutlass Ciera, Cutlass Supreme
• Pontiac Grand Am, Grand Prix, Sunfire
• Saturn L-Series, Vue

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Engine overheating due to improper coolant flow
• Warped housing leading to poor gasket sealing
• Corrosion or wear compromising cooling system integrity
• Replacement of worn or missing thermostat housing components

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use the included gasket to prevent coolant leaks; do not reuse old gaskets
• Verify mounting hole alignment and torque bolts to manufacturer specifications (bolts not included)
• Inspect surrounding hoses and connections for wear during installation
• Replace thermostat separately if needed, as it is not included with this housing

Quality Assurance and Warranty

Dorman manufactures the 902-2004 thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction provides enhanced durability and resistance to heat-related damage. While the thermostat housing does not include bolts or the thermostat itself, it comes with a gasket to ensure a proper seal. Please refer to Dorman's warranty policy for specific coverage details.