Genuine OEM Volkswagen Refrigerant Line, part number 5Q0816743K. This component is a critical part of the vehicle's air conditioning system, responsible for transporting refrigerant between various components. It is situated within the A/C system, connecting the compressor to other parts like the condenser or evaporator. Constructed from materials designed to withstand high pressures and the specific chemical properties of refrigerants. Genuine OEM ensures the correct diameter, routing, and sealing for a reliable and leak-free A/C system.