Buy OEM Audi Part # 022906262BQ (022-906-262-BQ, 022906262BN). Oxygen Sensor (Rear). 3.2 LITER, brown. 4.2 LITER, RS4, cylinders 5-8. A3; 3.2L; Rear; Brown. RS4; Rear; Cyl #5-8. Oxygen Sensor -

Oxygen Sensor.
Color-Brown. Cylinder 5,6,7,8. Oxygen Sensor.

Oxygen Sensor

Fits A3, RS4

3.2 LITER, brown. 4.2 LITER, RS4, cylinders 5-8. A3; 3.2L; Rear; Brown. RS4; Rear; Cyl #5-8.
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 Audi to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.