Genuine OEM Lexus Air-Fuel Ratio Oxygen Sensor, part number 8946752060. This sensor measures the air-fuel ratio in the exhaust. The part weighs 0.117 kg and has dimensions of 0.55175 m x 0.17625 m x 0.16625 m. Genuine OEM oxygen sensors are calibrated for precise exhaust gas measurement, ensuring optimal engine performance and emissions control.