Genuine OEM Volkswagen Coolant Pipe, part number 0XW121075C. This pipe transports coolant between different components of the engine's cooling system. It is located at position 8 in the diagram. The coolant pipe has dimensions of 0.333m x 0.333m x 0.333m. Genuine OEM coolant pipes are designed with exact routing and flow characteristics to ensure efficient heat transfer and prevent leaks, maintaining the longevity of the engine.