Dorman 902-2125 Engine Coolant Thermostat Housing Assembly - Water Pump

Reliable Engine Coolant Thermostat Housing Assembly for GM Vehicles

The Dorman 902-2125 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select Buick, Cadillac, Chevrolet, and GMC models. This assembly includes a thermostat, sensor, and gasket to ensure a complete and efficient cooling system repair.

• Durable metal construction with natural finish
• Includes thermostat opening at 203°F for precise temperature control
• Comes with a gasket for a secure, leak-free seal
• Compatible with Buick LaCrosse, Cadillac ATS, Chevrolet Malibu, Colorado, S10, and GMC Canyon
• Features one outlet port and two mounting holes with 3.173-inch bolt hole center spacing

Product Details and Specifications

This engine coolant thermostat housing assembly by Dorman is crafted from metal to withstand high temperatures and pressure within the cooling system. The natural color finish provides corrosion resistance and durability. The housing features a flange measuring 4.088 inches in length, 2.817 inches in width, and 0.439 inches in thickness, ensuring a precise fit and secure mounting. The inside diameter of 0.972 inches accommodates coolant flow efficiently. The assembly includes one outlet port and two mounting holes, designed with a bolt hole center-to-center distance of 3.173 inches. The package contains one thermostat housing, one thermostat calibrated to open at 203 degrees Fahrenheit, one sensor, and one gasket to complete the installation.

Compatible Vehicles and Applications

This Dorman 902-2125 thermostat housing assembly is compatible with a range of General Motors vehicles, including Buick LaCrosse, Cadillac ATS, Chevrolet Malibu, Colorado, S10, and GMC Canyon. It is engineered to meet the cooling system requirements of these models, providing reliable temperature regulation and helping prevent engine overheating.

• Helps resolve engine overheating issues
• Prevents coolant leaks from damaged or worn housings
• Restores proper thermostat function for efficient engine warm-up
• Eliminates erratic temperature gauge readings
• Supports sensor functionality for accurate engine temperature monitoring

Installation Notes and Tips

Installation requires removal of the old thermostat housing and careful cleaning of the mounting surface to ensure a proper seal. The included gasket must be positioned correctly to prevent coolant leaks. Note that mounting hardware is not included, so existing bolts should be inspected and reused or replaced as necessary. Proper torque specifications should be followed to avoid damage to the housing or engine components.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-2125 thermostat housing assembly undergoes rigorous quality control to ensure durability and reliable performance. This product includes a limited warranty against defects in material and workmanship, providing confidence in your repair.