Genuine OEM Volkswagen Coolant Pipe, part number 06Q121497A. This pipe transports coolant between engine components and the radiator to regulate engine temperature. It is located at position 17 in the diagram. The pipe has a length of 0.43m, width of 0.12m, and height of 0.065m. Genuine OEM coolant pipes are manufactured to precise specifications to ensure proper flow and prevent leaks, maintaining the integrity of the cooling system.