Buy OEM 1994 Audi Part # 059907807H (059-907-807-H, 059907807E). Oxygen Sensor (Rear). 2010-12, w/nox sensor, pre converter. 2013-15, REDUCING FLUID TANK & SENSORS, w/nox sensor, pre converter. 3.0 LITER

NOX Sensor. Oxygen Sensor. Control module. Controller. Ft Oxygen Sensor.

Oxygen Sensor

Fits Q7

2010-12, w/nox sensor, pre converter. 2013-15, REDUCING FLUID TANK & SENSORS, w/nox sensor, pre converter. 3.0 LITER, w/nox sensor, pre converter. EMISSION CONTROL; Touareg; Before Catalyst.
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 1994 Audi to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.