Dorman 902-2701 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly for GM Vehicles

The Dorman 902-2701 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for a range of GM vehicles including Cadillac, Chevrolet, GMC, Hummer, and Pontiac models. This metal thermostat housing assembly comes complete with a thermostat and gasket to ensure a secure and efficient cooling system operation.

• Durable metal construction in natural color for corrosion resistance
• Includes thermostat calibrated to open at 160°F for precise temperature control
• Comes with a gasket to provide a tight seal and prevent leaks
• Designed with three mounting holes for secure installation
• Compatible with multiple GM models such as Chevrolet Silverado 1500, GMC Sierra 2500, Cadillac Escalade, and more

Product Features and Specifications

The Dorman 902-2701 thermostat housing assembly features a 1.236-inch inside diameter and a flange measuring 4.39 inches in length, 2.701 inches in width, and 0.4 inches in thickness. It includes one outlet port and does not have a bleeder hole. The assembly is supplied without mounting hardware but includes a gasket and thermostat to simplify replacement. The bolt hole centers measure 0.87 inches and 3 inches, ensuring compatibility with the specified GM vehicle models.

Compatible GM Models and Applications

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

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Camaro, Corvette, Silverado 1500, Suburban 1500, Tahoe
• GMC Sierra 1500, Sierra 2500, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500
• Hummer H2
• Pontiac Firebird
• GMC Envoy XL, Savana 1500, 2500, 3500

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to faulty thermostat housing leaks
• Coolant leaks caused by damaged or worn gaskets
• Inconsistent engine temperature regulation affecting performance
• Corrosion or cracking of original thermostat housing
• Replacement of failed thermostat to restore proper coolant flow

Installation Notes and Tips

When installing the Dorman 902-2701 thermostat housing assembly, ensure the engine is cool before beginning work. Remove the old housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly before placing the new gasket and housing. Torque the mounting bolts evenly to the manufacturer’s specifications. Since mounting hardware is not included, reuse existing bolts or source appropriate replacements. Verify the thermostat opens at 160°F to maintain proper engine temperature.

Quality Assurance and Warranty

Dorman parts are engineered to meet or exceed OEM standards for fit, form, and function. The 902-2701 thermostat housing assembly undergoes rigorous quality checks to ensure durability and reliable performance. This product includes a gasket and thermostat to provide a complete solution for your cooling system needs. Warranty coverage details can be found through Dorman’s official channels, ensuring peace of mind with your purchase.