Engine swap questions concerning a '99

[saddlesore]

Looking at a 99 Ranger with a bad 4.0, owner has a 4.0 from an 03 Explorer he wants me to take off his hands to put in it. Is it an easy straightforward swap? TIA!!!

 

[Marty'70]

Not an expert by far, but from what I have seen as long as they are both ohv they should be. Oops I mean overhead cam

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