Genuine OEM Volkswagen AC Refrigerant Line, part number 7L6820744BQ. This pipe transports refrigerant within the air conditioning system, facilitating heat exchange for cabin cooling. It is a critical component for maintaining proper AC function. Weighing 0.406 kg and measuring 0.772 m in length, this line is constructed from durable materials designed to withstand high pressures and temperature fluctuations. Genuine OEM lines ensure precise fitment, leak-free connections, and resistance to refrigerant degradation, preventing costly system failures.