I will just buy a brand new alternator, as I'm not a fan of used parts.

98 ZJ from the 5.2 V8 version. 134 Amp version.

Is this it? 136 amps.
http://www.autozone.com/autozone/par...8_191797_2994_

This one is smaller and 90amp.
http://www.autozone.com/autozone/par...7_191825_4435_

I got the 136 Amp version except i didnt go with the duralast gold version just the regular one because it was a little cheaper, but you got the idea.