Genuine OEM Volkswagen Coolant Hose, part number 2HJ121056B. This hose transports coolant to regulate the temperature of the gearbox oil, ensuring smooth operation. It is a vital part of the transmission cooling system. Genuine OEM hoses are manufactured to precise specifications to ensure proper fit and durability, preventing leaks and maintaining optimal gearbox operating temperatures. This hose has a length of 0.302 m.