Genuine OEM Volkswagen Lambda Sensor, part number 022906262AN. This sensor measures the oxygen content in the exhaust gases, providing critical data to the engine control unit for optimizing the air-fuel mixture. This is the front left sensor in the exhaust system. Constructed with a robust sensor element and protective housing, it weighs approximately 0.209 kg. A genuine OEM lambda sensor ensures accurate readings and precise engine control, vital for fuel efficiency, emissions compliance, and overall engine health.