Dorman 902-847 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly for Chevrolet and GMC

The Dorman 902-847 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for Chevrolet Canyon, Colorado, GMC Canyon, and Hummer H3 and H3T models. This metal thermostat housing assembly includes a thermostat and gasket to ensure a secure and efficient cooling system operation.

• Durable metal construction with natural finish
• Includes thermostat opening at 190°F for precise temperature control
• Comes with a gasket for a proper seal and leak prevention
• Designed with two mounting holes and a 3.178-inch bolt hole center spacing
• Compatible with Chevrolet Canyon, Colorado, GMC Canyon, and Hummer H3, H3T models

Product Features and Specifications

The Dorman 902-847 thermostat housing assembly features a 1.264-inch inside diameter and a single outlet port to direct coolant flow efficiently. The flange dimensions measure 3.855 inches in length, 2.745 inches in width, and 0.359 inches in thickness, providing a secure fit on the engine block. This assembly includes one thermostat calibrated to open at 190 degrees Fahrenheit, ensuring the engine maintains the correct operating temperature. The package contains one thermostat housing, one thermostat, and one gasket, but mounting hardware is not included.

Purpose and Common Applications

This thermostat housing assembly is essential for regulating engine temperature and preventing overheating or overcooling in your vehicle. It is compatible with specific Chevrolet, GMC, and Hummer models, making it a reliable replacement part for cooling system maintenance.

• Prevents engine overheating by regulating coolant flow
• Helps maintain consistent engine operating temperature
• Replaces damaged or leaking thermostat housings
• Addresses coolant leaks around the thermostat housing area
• Restores proper thermostat function for improved engine performance

Installation Notes and Tips

When installing the Dorman 902-847 thermostat housing assembly, ensure the engine is cool before beginning work. Remove the old thermostat 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 to prevent leaks. Since mounting hardware is not included, reuse existing bolts or acquire appropriate replacements.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 902-847 thermostat housing assembly includes a gasket and thermostat to ensure a complete and proper fit. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.