ITEM NAME:O2 Oxygen Sensor Upstream Air Fuel Ratio for CRV Civic Acura N SE Specification: Brand new set of 4 oxygen sensor Stock parts direct replacement 100% test before.2005 2004 2003 2002 2001 Civic. 2003 2002 Acura RSX. The key parts including chip from top supplier. Denso Part#: 234-9005, 2349005. Bosch Part#: 13680, 13705, 13706, 15397, 15472. Ref Part# 36531-PRB-A01,36531-PZA-A01,36531-PZA-L01.