Genuine OEM Volkswagen In-Tank Fuel Pump, part number 561919051D. This assembly is responsible for drawing fuel from the tank and delivering it under pressure to the engine's fuel system. It is located inside the fuel tank. Weighing approximately 2.13 kg, this unit ensures precise fuel delivery. Choosing a genuine OEM fuel pump guarantees correct fuel pressure regulation, proper sensor calibration, and long-term reliability for optimal engine performance.