Genuine OEM Volkswagen Refrigerator Pipe, part number 5QF816721BC. This pipe is a critical component of the vehicle's air conditioning system, designed to transport refrigerant between various components such as the compressor, condenser, and evaporator. It is located within the A/C system assembly. Genuine OEM pipes are manufactured to precise specifications to withstand refrigerant pressure and temperature, ensuring leak-free operation and system efficiency.