Well, was going to look up the trannys to see which ones were the same part numbers. But, as you are an 01 model, it is a split year.
Which do you have?
Here are all of the option for 01...
A.T., 4 Dr, Sport Trac, 4x2, ID XL2P-CA (thru 7/23/00)
A.T., 4 Dr, Sport Trac, 4x4, ID XL2P-DA (thru 7/23/00)
A.T., 4 Dr, Sport Trac, 4x2, ID 1L5P-DA (from 7/24/00)
A.T., 4 Dr, Sport Trac, 4x4, ID 1L5P-EA (from 7/24/00)