If you are removing the old bodywork to refurbish or even renew it, then you will notice that all of the various components are in, shall we say, less than ideal condition, with damage, corrosion and generally not looking good. Renewing all the various bits and pieces will make reassembly so much simpler, and looking so much nicer than it would have done reusing the old components.
Other various parts that you may wish to add to your shopping cart at the same time:
New parts look better than old and are easier to assemble. Add as many items as you wish to the same shopping cart and still only pay the same single fixed rice shipping cost.