Genuine OEM Audi A/C Refrigerant Line, part number 4N0816750B. This high-pressure line is responsible for transporting refrigerant between various components of the vehicle's air conditioning system, facilitating heat exchange and cooling. It is located within the engine bay, connecting parts of the A/C circuit. Weighing approximately 0.195 kg, it is designed to withstand the pressures and temperatures of the A/C system. Opting for a genuine OEM refrigerant line ensures correct material composition, precise hose routing geometry, and leak-proof connections, vital for system integrity and performance.