Buy 2014 Audi A8 3.0L TDI V6 DIESEL A/T Quattro L TDI Sedan Sensor. Oxygen. (Front, Rear). A8; 3.0L - OEM Audi Part # 4H0907807L (4H0-907-807-L, 4H0907807A, 4H0907807G)

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

Nitrogen Oxide (NOx) SensorOxygen Sensor

Fits A8

A8; 3.0L; TDI; Front. DIESEL, SENSORS, front.
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 2014 Audi A8 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.