parts interchange i.e. tranny or tran case

[possum301]

my tranny is slipping and flashing out a code... so today i have found a rolled 03 or 04 sport trac 4x4 for $600 obo... my st is a 03 4x4 will the major parts on this junker work on my st? i mean will 02-04 4x4 parts interchange?

 

[possum301]

tranny

ok lost that 4x4 deal... will a 04 2wheel drive tranny work with an 03 4x4