Genuine VW/Audi Intercooler Hose O-Ring - 3C0145117 is a direct replacement part for a wide variety of Volkswagen and Audi vehicles. This O-ring is made from high-quality materials and is designed to provide a tight seal between the intercooler hose and the intake manifold. It is an essential component of the vehicle's cooling system, and can help maintain the proper performance of the engine.