Is it the actual hinge popping or the door panel ???? Mine give a bit of a pop sort of sound every so often so I give them a hit with Lanox sheep pee, shuts them up for ages.
Rockauto is always my first stop when looking for most parts ....
I confirm numbers to suit my particular year model on
https://www.moparpartsgiant.com/part...Overland%204WD)
that way at least I'm pretty sure I have ordered the right part no matter who I get it from...