Genuine OEM Audi Left Fuel Level Sensor, part number 8K0919671B. This sensor is responsible for precisely measuring the fuel level within the left side of the vehicle's fuel tank. It transmits this critical information to the fuel gauge, ensuring the driver has an accurate indication of remaining fuel. Weighing approximately 0.154 kg, this sensor measures 0.185m in length. Choosing a genuine OEM sensor guarantees correct calibration and signal characteristics, which are vital for reliable fuel level readings and preventing inaccurate gauge displays.