1997 Audi A4 Quattro : 6 cylinders, 2.8L liter Below are the available list of parts for this particular vehicle: Description O2 Sensor Univ. Dir.-Fit Passenger's Side [Exc. Calif. OBDII] N/A 53004 N/A Driver's Side [Exc. Calif. OBDII] N/A 53004 N/A < < BACK