Like everything else, you're worried about the wrong thing. The people that want original parts know exactly how to identify them.
You know how you can tell someone knows how to identify original Mopar parts? It's easy, they'll tell you. :poke:
Whether you give a crap or not, they'll tell you every single non-original part on your car without provocation and without considering that the person they're proselytizing to was in fact the one responsible for installing every one of the non-original parts they're so deeply offended by.