Genuine OEM Volkswagen Refrigerator Pipe, part number 5Q0816721AH. This pipe is a critical component of the vehicle's air conditioning system, designed to transport refrigerant between the compressor and the condenser. It is marked as number 5 in the diagram, connecting to the A/C compressor. The pipe has a length of 0.55 meters. Genuine OEM refrigerant pipes are manufactured from specific materials and to exact dimensions to withstand high pressures and temperatures, ensuring the efficiency and longevity of the air conditioning system.