Genuine OEM Volkswagen Refrigerant Line, part number 7T1816743F. This line carries refrigerant within the vehicle's air conditioning system. It is positioned as part 20 in the AC system diagram. The line has a length of 0.71 meters and a weight of 0.51 kg. Genuine OEM refrigerant lines ensure precise fitment and material integrity to prevent leaks and maintain optimal AC performance.