Genuine OEM Volkswagen A/C Refrigerant Line, part number 5QB816738F. This line is a critical component that transports refrigerant throughout the air conditioning system, enabling efficient cooling. It is an integral part of the vehicle's climate control assembly. Weighing 0.51 kg and measuring 0.575 m in length, its precise routing geometry and material composition are essential for maintaining system pressure, preventing leaks, and ensuring optimal A/C performance.