Not for the maverick, but some Mustang repo pieces are made to work on both sides and they look very similar. For example: http://www.cjponyparts.com/standard-exterior-mirror-1967-1973/p/ME2S/
I saw one on a Maverick in a junkyard must be a rare piece I think I w ill go back and get it if i can remember where I hid it lol