Thermostat Housing Seal 64.72mm OD x 6.18mm

The GM 12647181 is a genuine GM part designed as a direct replacement seal for the engine coolant thermostat housing. It is constructed from rubber and features specific dimensions, with an outside diameter of 64.72mm and a thickness of 6.18mm, ensuring a precise fit for its intended applications. This seal is engineered and tested to rigorous General Motors standards and is backed by GM's factory warranty. As a genuine GM part, it is built to perform like the original component, ensuring reliability and durability. It is sometimes referred to as a GM Thermostat Gasket. The GM 12647181 is compatible with a wide range of GM vehicles, including various models of Buick LaCrosse, Regal, Cadillac ATS, CT5, CT6, CTS, XT5, XT6, Chevrolet Blazer, Camaro, and Colorado, and GMC Acadia, Canyon. Specific engine options, such as 6-cylinder engines with 3.0L or 3.6L displacements, are listed for compatibility, along with detailed trim and body style information for each vehicle. It is important to consult the detailed fitment guide to ensure proper application for your specific vehicle's year, make, model, and engine configuration.