Genuine OEM Volkswagen Fuel Supply Module, part number 3AA919050L. This integrated unit is responsible for both supplying fuel from the tank to the engine and accurately transmitting fuel level data to the vehicle's instrument cluster, providing the driver with reliable fuel gauge readings. It weighs approximately 1.12 kg, this module is designed for optimal performance. Choosing a genuine OEM fuel supply module guarantees correct electrical connections, pump calibration, and sensor accuracy for critical fuel system functions.