FYI for a replacement 5 wire O2. Honda Pt# 36531-P07-003

http://www.techedge.com.au/vehicle/wbo2/wbntk.htm

http://www.oxygensensor.net/ntk_o2/24300.php

http://cgi.ebay.com/ebaymotors/NGK-N...Q5fAccessories