Genuine OEM Audi Fuel Level Sensor, part number 4F0919673A. This essential component continuously monitors the amount of fuel remaining in the vehicle's tank. It is positioned on the left side of the fuel tank assembly, relaying precise data to the fuel gauge. Weighing approximately 0.1 kg, it is a compact and critical sensor. Choosing a genuine OEM fuel level sensor ensures accurate readings and proper integration with the vehicle's electrical system, preventing incorrect fuel gauge displays.