Genuine OEM Audi A/C Refrigerant Line, part number 4M0816725D. This component is crucial for transporting refrigerant throughout the vehicle's air conditioning system, facilitating heat exchange and maintaining cabin cooling. It is a small, curved line connecting other larger refrigerant pipes. Weighing 0.064 kg and measuring 0.24 m in length, it is designed for specific routing. Choosing a genuine OEM refrigerant line ensures correct pressure ratings, leak-free connections, and resistance to refrigerant chemicals, preventing system failures and costly repairs.