Genuine OEM Volkswagen Coolant Hose, part number 077117412T. This hose is a vital component of the engine's cooling system, designed to transport coolant between engine components and the radiator. It is made from high-quality, heat-resistant rubber to withstand engine operating temperatures. Genuine OEM coolant hoses are manufactured to precise dimensions and material specifications, ensuring a leak-free fit and long service life, critical for preventing engine overheating.