Dorman 902-2015 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for GM Vehicles

The Dorman 902-2015 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
• Features a 1.5-inch outlet port diameter for proper coolant flow
• Two mounting holes with 0.313-inch diameter for secure installation
• Designed with a 15° housing neck angle to match OEM specifications
• Compatible with multiple GM models including Chevrolet Camaro, Buick LeSabre, and Pontiac Firebird

Detailed Product Description

The Dorman 902-2015 thermostat housing is a direct replacement part crafted from metal to withstand the high temperatures and pressures within the engine cooling system. Its natural color finish matches original equipment, ensuring a seamless integration with your vehicle’s engine bay. The housing includes a gasket to prevent coolant leaks and features two mounting holes sized at 0.313 inches in diameter for a secure fit. The 1.5-inch outlet port diameter supports efficient coolant flow, while the 15-degree neck angle aligns with factory design for proper hose connection. This thermostat housing does not include the thermostat itself but is compatible with the original thermostat components.

Compatible Vehicles and Applications

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

• Buick models such as LeSabre, Regal, and Lesabre
• Chevrolet models including Camaro, Caprice, Impala, Malibu, Monte Carlo, and El Camino
• Oldsmobile models like Cutlass, Cutlass Supreme, and Delta 88
• Pontiac models including Firebird, Grand Prix, and Bonneville

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Overheating due to improper coolant flow from a faulty housing
• Engine temperature fluctuations resulting from a poor seal
• Corrosion or wear compromising the housing’s integrity
• Replacement of worn or broken mounting points for secure installation

Installation Notes and Tips

When installing the Dorman 902-2015 thermostat housing, ensure the gasket is properly seated to prevent leaks. Use the two mounting holes with 0.313-inch diameter bolts (not included) to secure the housing firmly. Verify the 15-degree neck angle aligns with the coolant hose for a proper fit. Since the thermostat is not included, inspect the existing thermostat and replace if necessary. Always follow vehicle-specific service manual instructions for torque specifications and coolant system bleeding procedures.

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. The product includes a gasket to ensure a reliable seal. While bolts and thermostat are not included, the housing is designed for straightforward installation. Warranty coverage details can be obtained from the product packaging or Dorman’s official documentation.