They're both spring under axle leaf spring setups, both are the same Ford 8.8 differential, both use the same pinion flange....
So, yes. It'll go in no problem. However, make sure that your 2nd gen rear axle is running the same gears as your first gen front axle (if your 4x4.) If your 2nd gen rear axle is 4.10 gear ratio and your front axle is a 3.27, when you hit the 4x4 button your transfer case is going to kill itself.