This product is a Genuine VW / Audi Oxygen Sensor with the part number 022906262CF. It is a high-quality sensor designed specifically for Volkswagen and Audi vehicles. The oxygen sensor is a crucial component of the engine's emissions control system, measuring the amount of oxygen in the exhaust gases to ensure optimal fuel efficiency and reduce harmful emissions. This sensor is a direct replacement for the original part and is manufactured to meet the strict standards of VW and Audi. It is compatible with various models and years of VW and Audi vehicles, providing reliable and accurate readings for efficient engine performance.