Genuine OEM Volkswagen Coolant Hose, part number 7T0122073AH. This hose transports coolant, likely for transmission cooling, and features a quick-release coupling. It is identified as part 8 in the diagram. Constructed from durable materials to withstand engine temperatures and pressures. Genuine OEM coolant hoses provide the exact fit and material specifications required for reliable and leak-free operation within the cooling system.