LOL
I’d assume this one…
http://www.advanceautoparts.com/1/1/619034--wideband-air-fuel-oxygen-sensor-by-bosch-part-17014.html?cm_mmc=ACQ-_-National--Keywordless-_-StoreKeywordless-_-Ad
use one of the Advance Auto coupon codes and get it for like $30…
I have a Zeitronix and it uses the same one, if I had a nice budget I’d probably get an AFM 1000, although the NGK AFX with NTK sensor is suppose to be good as well.