奥迪后氧传感器06E906265K，高效净化尾气

Audi rear oxygen sensor direct replacement OEM 06E906265K; universal compatibility; install and use directly. Core function is monitoring exhaust oxygen content and feeding ECU to adjust injection for combustion efficiency. Fits Audi A4 L, A6 L, Q5 with 2.0T or 3.0T engines. Replacement resolves engine fault light, high fuel consumption, or power lag. If you experience weak acceleration, exhaust black smoke, or computer reads “Oxygen sensor signal abnormal,” sensor aging is likely; replace promptly.