2021 Audi A4 Quattro control modules & parts

260 refurbished parts are available for the 2021 Audi A4 Quattro. Each listing shows the exact vehicles and engines it fits; match the part number on your original unit before ordering.

Engines: 2.0L L4 – Electric/Gas, 2.0L L4 – MILD HYBRID EV-GAS

Other Audi A4 Quattro years