if im on the chevrolet website looking for a new ring gear, what would it be called?
Honestly it may be easier for you to get another isuzu trans from the yard or even a known good differential.
I haven't heard of people getting their hands on new GM spider gears in a while... (I had mine changed in my old isuzu back in 2002 and even then it was a 3 week wait for the parts).
Slowly but surely may some day win this race...
Mike< See my post on Isuzu spider gear part numbers. They are available through Isuzu, and pricey.