Oxygen Sensor 02580006851 079906265G 06B906262A 330906265D Universal Replacement

O2 sensor monitors oxygen content in exhaust and feeds back to the ECU to adjust the air-fuel ratio for burning efficiency. OEM number 02580006851, compatible with VW, Audi and other models (e.g., 079906265G, 06B906262A). Installation difficulty is moderate; pay attention to thread cleanliness to avoid damaging the new part.