Engine Coolant Thermostat Housing Assembly

The Dorman 902-2800 is an engine coolant thermostat housing assembly engineered to provide a direct OE replacement for specified vehicle applications. Constructed from aluminum, this housing is built to withstand extreme temperature fluctuations, resisting cracking and leaking to ensure a long service life. This assembly includes the thermostat and an O-ring gasket, making it a comprehensive solution for replacing a faulty housing. The thermostat opens at 160 degrees Fahrenheit, helping to maintain optimal engine operating temperature. Its cost-effective design offers original manufacturer quality at a lower price point than dealership replacements, providing a reliable and durable solution for vehicle owners. The Dorman 902-2800 is designed for various Buick, Chevrolet, GMC, Oldsmobile, and Saab models, including the Buick Rainier (2004-2007), Chevrolet Trailblazer (2002-2009), GMC Envoy (2002-2009), and Saab 9-7x (2005-2009), among others. Mounting hardware is not included. The housing features a natural color finish and two mounting holes with an inside diameter of 1.068 inches. The flange dimensions are 3.841 inches in length, 3.847 inches in width, and 0.36 inches in thickness, with a bolt hole center-to-center measurement of 2.888 inches. It does not have a bleeder hole.