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Discussion Starter · #1 ·
Ok, I have the dreaded pump failure and i am needing a replacement QUICK!! Here is what I have found and I need some help, my transfer case is a 263XHD thats behind a Allison Transmission with push button 4wd. I have found a transfer case that the guy said was bolted to a Allison and is push button 4wd but the tag says 263GM, the spline count on the rear is 32 spline and the torque converter splines are 29.
Can someone tell me what the difference is?? I hate to buy it and it not fit but I am not finding much on a 263GM and what the difference is.... So please help me! My truck isnt going to make it much further the bushing in the rear has already pushed the tailshaft seal out and its really on the last mile...:help
 
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