1997 Chevy S-10 identifying rear axel

Drive Train Axles Bearings problem
1997 Chevy S-10 6 cyl Four Wheel Drive Manual

i cant find the number stamped on the front right side tube of the axel, is there another way to identy what kind of rear end it is? I need to get a new one(used one) and do you know a good place that would have one and ship it to me, too late I dont need your help anymore, I thought I would get a ansewer in a few hours