Genuine OEM Audi Lambda Oxygen Sensor, part number 07L906262R. This critical sensor is responsible for monitoring the oxygen levels present in the exhaust gas, providing essential data to the engine control unit for fuel mixture adjustments. It is installed directly into the exhaust system. Weighing approximately 0.163 kg, this sensor features a robust design for high-temperature environments. Selecting a genuine OEM oxygen sensor ensures precise calibration and signal characteristics, which are vital for maintaining correct air-fuel ratios, optimizing engine efficiency, and meeting emissions standards.