Questions about Converting to 4.10s

I have a 2001 explorer xlt 4 door 4wd with either 3.23 or 3.55 gears I forgot which one. I'm running 33" tires and want more low end. I bought a front carrier from a 2001 ranger with 4.10 gears but it needs the inner axle shaft. Will the one from my original front carrier work? Also, what year rear ends will fit? I know you need 98 and up for the fronts but i don't know about the rears. I see a rear end on craigslist from a 1997 explorer with 4.10s I just want to make sure it fits before I buy it and make sure there isn't a bunch of modification needed to make it fit. Let me know what you guys think.

 

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I have the 3.55s Just checked.