Star washer/Detent Roller for door hinge

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There is a member here who rebuilds them. He advertises on Craigslist in the LA / Orange county CA area some times. He might be able to set you up.

Think you may be referring to MOPARLeo, link below.

His ad says, old rollers reused, but he may have some spares given this issue is not uncommon.

https://losangeles.craigslist.org/lgb/pts/d/moreno-valley-mopar-muscle-car-door/7199302207.html