Shop 2008 Audi A5 Sensor. Oxygen. NOx. (RR). (Rear). A8; 3.0L; TDI; Rear. DIESEL, SENSORS, rear. EMISSION, Make, Repair - OEM Audi Part # 4H0907807M (4H0-907-807-M, 4H0907807, 4H0907807F)

A Sensor which detects the amount of Nox in the exhaust system. Oxygen Sensor. Nitrogen Oxide ().

Nitrogen Oxide (NOx) SensorOxygen Sensor

Fits A8

A8; 3.0L; TDI; Rear. DIESEL, SENSORS, rear.
Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.