Genuine OEM Toyota Mass Air Flow Sensor, part number 2220475030. This sensor measures the volume and density of air entering the engine, providing critical data for the engine control unit to determine the correct fuel injection amount. Its dimensions are approximately 0.11633m x 0.08617m x 0.06183m and it weighs 0.068 kg. Genuine OEM sensors offer precise calibration and reliable performance for optimal engine efficiency and emissions.