Have an avanti refrigerator model #FF82. and the door to the chiller room, which is under the freezer, needs to be replaced. How do I go about replacing this door?

I don't need to replace the door, but I do need replacement, eg. bootom shelf, and platic drawer. Where can I get replacements?

I don't need to replace the door, but I do need replacement, eg. bootom shelf, and platic drawer. Where can I get replacements?