2013-2018 Audi A6 Quattro 2.0L 4 Cyl. 2012-2018 Audi A6 Quattro 3.0L V6. Notes: Disc Brake Pad Wear Sensor. Position: Rear. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.