2002 Audi A4 1.8L 4 Cyl. 2002 Audi A4 3.0L V6. 2003-2006 Audi A4. Notes: Brake Booster Relay -- Verify Part Number on Old Part Before Ordering. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
