Genuine OEM Audi A/C Refrigerant Line, part number 7L6820744BB. This essential component is responsible for transporting refrigerant throughout the vehicle's air conditioning system, facilitating heat exchange and cooling. It connects various A/C components, including the condenser, to maintain system integrity. Weighing approximately 0.4 kg, this line is engineered for specific routing and pressure requirements. Using a genuine OEM refrigerant line ensures correct material composition, precise fitting, and resistance to high pressures and temperatures, preventing leaks and maintaining optimal A/C performance.