Genuine OEM Audi Fuel Level Sensor, part number 1K0919673L. This sensor is responsible for accurately measuring the amount of fuel remaining in the tank and transmitting this data to the fuel gauge. This particular unit is for the right side of the fuel tank. Weighing 0.142 kg with dimensions of 0.195m x 0.09m x 0.045m. Using a genuine OEM fuel level sensor ensures precise readings, preventing inaccurate gauge displays and potential fuel starvation issues.