Genuine OEM Volkswagen Oxygen Sensor, part number 05E906262A. This critical sensor is responsible for accurately measuring the oxygen content in the exhaust gases, providing essential data to the engine control unit (ECU). This information allows the ECU to adjust the air-fuel mixture for optimal combustion, fuel efficiency, and reduced emissions. Weighing 0.172 kg and featuring a 0.49m cable, this sensor is designed for durability in high-temperature exhaust environments. Choosing a genuine OEM oxygen sensor ensures precise calibration and reliable signal characteristics, which are vital for proper engine operation and emissions compliance.