I don’t believe it will be difficult to find a working cup holder, do a national salvage yard search, ask for a lot of photos. When I changed mine, I believe I found instructions on the Forum. Search the repair files and you will find it, it wasn’t difficult to do.
I have one from my SRT squirrelled away, it is in great shape. There must be a lot sitting on peoples shelves.
I keep all the parts that I replace, the next owner can return it to stock if he likes.
How to remove the console and take the cup holder out.
CLICK