disassembly

Can I change my 22.5 silver into a gold model?

A while back I replaced my OTS food grate with the hinge grate and gave the OTS grate to my son for his UDS build. The other day as I was sweeping out the OTS I noticed one of the sweeper padles was bend. I checked it out and it needed replacement (The "H" style sweeper is a direct replacement...