Genuine OEM Audi Fuel Rail, part number 03L130089. This component is responsible for receiving high-pressure fuel from the fuel pump and distributing it evenly to each of the engine's fuel injectors. It is typically mounted on or near the engine's cylinder head, connecting to each injector. Weighing 2.295 kg, this rail is designed to withstand high fuel pressures. An authentic OEM fuel rail ensures proper fuel pressure regulation and leak-free connections, vital for consistent engine performance and safety.