Genuine OEM Volkswagen A/C Refrigerant Line, part number 4M0816739T. This assembly of pipes and hoses is responsible for transporting refrigerant throughout the air conditioning system, facilitating the heat exchange process necessary for cooling the cabin. Measuring 0.78 m in length and weighing 0.445 kg, this genuine OEM line ensures leak-free operation and optimal refrigerant flow, critical for maintaining efficient A/C performance and system longevity.