Genuine OEM Volkswagen Refrigerant Line, part number 7LA816721B. This essential component is part of the vehicle's air conditioning system, responsible for transporting refrigerant between various A/C components. It ensures the efficient circulation of refrigerant, enabling the system to cool the cabin effectively. The line features a combination of flexible hose and rigid metal sections, designed for specific routing and pressure resistance. Choosing a genuine OEM refrigerant line guarantees correct routing geometry, material compatibility with refrigerants, and leak-free performance under high pressure, which is critical for A/C system integrity.