Alfa 145/146 1.4/1.6/1.7 16V Boxer Oxygen/Lambda Sensor.
Original part number 7789741/46444284/60607529 or Bosch part number 0258003772 .
Suitable for ALFA ROMEO 145 BZ/DS (1994-1996), ALFA ROMEO 146 BZ/DS (1995-1996).