Genuine OEM Audi Refrigerator Pipe, part number 6C0816721E. This pipe is a crucial component of the vehicle's air conditioning system, responsible for carrying refrigerant. It connects to the compressor and other parts of the A/C circuit. Constructed from high-quality materials designed to withstand refrigerant pressure and temperature fluctuations. Genuine OEM ensures precise dimensions and material integrity for reliable A/C performance.