Genuine OEM Audi High Pressure Fuel Pipe, part number 03P130321. This essential pipe is responsible for transferring highly pressurized fuel from the high-pressure pump to the common rail in the fuel injection system. It is a vital component for maintaining consistent fuel pressure and delivery to the injectors. Weighing approximately 0.13 kg, this pipe is engineered to withstand extreme pressures and vibrations. Using a genuine OEM fuel pipe ensures the correct material strength, precise routing, and leak-free connections, which are critical for the safety and performance of the fuel system.