Well, that's REAL Hot Roddin'!
Greg
You can find almost anything on the 'net.....
How To Install Replace Engine Starter 3.7L 4WD 2002-07 Jeep Liberty - YouTube
Greg
I also found a flex plate listed as fitting 3.7, 4.7, and 5.7. Looks like the odds are in your favor that the crank patterns are the same also.