Genuine OEM Volkswagen Coolant Hose, part number 7P0122051H. This hose is essential for transporting coolant between engine components and the radiator, maintaining optimal engine temperature. It is located at position 1 in the cooling system assembly. The hose has a length of 0.43 meters and a weight of 0.468 kg. Genuine OEM coolant hoses are manufactured to precise specifications, ensuring correct flow rates and resistance to heat and pressure for reliable engine cooling.