Genuine OEM Volkswagen Engine Coolant Tube, part number 06A121065CA. This metal tube is a crucial component of the engine cooling system, responsible for transporting coolant between various engine components and the radiator. Its complex bends and outlets ensure precise routing and connection points within the engine bay. Weighing approximately 0.45 kg, it is built to withstand high temperatures and pressures. Choosing a genuine OEM coolant tube ensures exact fitment, proper material composition for corrosion resistance, and leak-free performance critical for effective engine temperature regulation.