How to locate the generic Bosch O2 sensor?

[JShadzi at aol.com]

rod at thepartsconnection.com has them.

Javad

>I am having a heck of a time finding a generic 3 wire O2 sensor for my
>car. Every single place I called only comes back with the OEM part, and
>can't seem to be able cross reference the generic Bosch.
>
>I am looking for 2 of them, one is for an 88 5ktq, the other is for a 90
>V8q.
>Any suggestions? Part number, or perhaps a different car make model I
>should look for that will bring it up?
>
>Thanks,
>  Zsolt
>
>