Dorman 902-2038 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Chevrolet and GMC

The Dorman 902-2038 engine coolant thermostat housing is designed to provide a durable and precise fit for various Chevrolet, GMC, and Pontiac models. Crafted from metal with a natural finish, this thermostat housing ensures reliable engine cooling system performance.

• Constructed from durable metal material for long-lasting use
• Includes a gasket for a secure, leak-free seal
• Natural color finish for corrosion resistance
• 1.25-inch outlet port diameter for proper coolant flow
• Two mounting holes with 0.313-inch diameter for secure installation
• 180-degree housing neck angle to match OEM specifications
• Compatible with Chevrolet C1500, C2500, C3500, Camaro, Tahoe, and more

Product Details and Specifications

The Dorman 902-2038 thermostat housing is engineered to meet the exact fitment requirements of multiple Chevrolet, GMC, and Pontiac vehicles, including the Chevrolet C1500 Suburban, GMC K2500 Suburban, Pontiac Firebird, and others. This metal thermostat housing features a 1.25-inch outlet port diameter and a 180-degree housing neck angle, ensuring proper coolant routing and system efficiency. The package includes the thermostat housing and a gasket, but does not include the thermostat or mounting bolts. Two mounting holes with a diameter of 0.313 inches provide a secure attachment point, maintaining a tight seal and preventing leaks. The natural metal finish offers corrosion resistance, extending the life of the part in demanding engine environments.

Compatible Vehicles and Applications

• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500
• Chevrolet Camaro, Tahoe, Yukon
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500
• GMC Express 3500, Savana 3500, P30, G30
• Pontiac Firebird

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 and fluids
• 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 902-2038 thermostat housing, ensure the mating surfaces are clean and free of old gasket material to achieve a proper seal. Use the included gasket and torque mounting bolts to manufacturer specifications. Note that mounting bolts are not included with this part and must be sourced separately. Verify the housing neck angle and outlet port diameter match the vehicle’s original equipment to ensure compatibility. This housing does not include a thermostat or air vent (bleeder valve), so those components must be installed separately if required.

Quality Assurance and Warranty

Dorman manufactures this engine coolant thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction and included gasket provide reliable sealing and durability under normal operating conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.