is there a way to order new parts w/o having to buy new models?

I need a new 'rod' to mount my millennium falcon to its base and a couple of 'hubs' for the maneuver wheels.

Shoot FFG an email, they're very helpful. One of my kids snapped on of my bases/stands and I couldn't repair it and I just asked the question and a new one appeared in the mail several weeks later. Very impressed.