Just a Matter of Time till most collectors will have the ability to make your own missing pump parts, IN METAL;
http://www.youtube.com/watch?v=i6Px6RSL9Ac

Reproduction/Fantasy Cans
http://i124.photobucket.com/albums/p2/oldegaspump/AllCansMASTERTHUMBNAIL_zps4bfdbbc7.jpg
Rnd Can Re-lids