Genuine OEM Volkswagen A/C Refrigerant Line, part number 3Q0816721K. This critical component transports refrigerant throughout the vehicle's air conditioning system, facilitating heat exchange for cabin cooling. Weighing 0.183 kg, its precise routing and durable construction are essential for maintaining system integrity and preventing leaks. Using a genuine OEM line ensures proper fitment and material compatibility, crucial for the high-pressure environment of the A/C system.