Buy 2011 Audi A5 Sensor. Oxygen. (Front, Rear). 3.0 LITER DIESEL, EMISSION REDUCTION SYSTEM, front. A7 EMISSION, DIESEL, System - OEM Audi Part # 4G0907807N (4G0-907-807-N, 4G0907807D)

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

Nitrogen Oxide (NOx) SensorOxygen Sensor

Fits A6, A7, A7 Sportback

3.0 LITER DIESEL, EMISSION REDUCTION SYSTEM, front. A7; Front. DIESEL, EMISSION REDUCTION SYSTEM. DIESEL, REDUCING FLUID TANK & SENSORS, front. NOX-SENSOR; A7; 3.0L TDI; 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 2011 Audi A5 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.