Genuine OEM Volkswagen Refrigerant Pipe, part number 5QF816721J. This pipe is a crucial component of the vehicle's air conditioning system, designed to transport refrigerant between various parts of the system, such as the condenser and compressor. It is located within the engine bay and connects to other A/C lines. Made from materials resistant to refrigerant and pressure. Genuine OEM parts ensure leak-free connections and correct flow for efficient cooling.