I have never seen any store selling poem , you should buy a new case if you want to just make it work. Do not worry about the aesthetics of the case I think that just drops of glue into the cracks, it should be okay.
I have never seen any store selling only bolt you should buy a new case if you just want it to work. Not serious about the beauty of the case. I think just drops the glue into the cracks, it should be OK.