Genuine OEM Volkswagen Coolant Hose, part number 7P0122051D. This hose is essential for transporting coolant between engine components and the radiator, maintaining optimal engine temperature. It is located at position 23 in the cooling system assembly. The hose has a length of 0.17 meters and a weight of 0.091 kg. Genuine OEM coolant hoses are manufactured to precise specifications, ensuring correct flow rates and resistance to heat and pressure for reliable engine cooling.