Hello from Tennessee to all SUBARU owners

I am here to learn from those who have most likely dealt with some of the repair issues on a older SUBARU that I am trying to & part of the problem I am having is the knowledge of where to look for discontinued parts. One that I am currently looking for is the center differential mount #741321110 that I would think that the rubber bushing was used on other parts as my mount plate is fine but I have no idea what direction to look for this bushing,  if someone on here has a new one they have purchased & don't think they will use it I would be interested in it or if someone knows a part # that will interchange on the rubber bushing I would greatly appreciate the help on that. Thanks for any help from SUBARU DRIVERS & OWNERS. Tim