I'm sure they are, that was pretty much all I was parting out for years.  Not sure what the one odd one is from.  I have all kinds of stuff like this that I kept, while parting the cars I brought back from all over the U.S. and Canada, why I'm not sure.   I transported cars all over the place for years after taking my pension from GM Delphi.  Anytime I had space available on or in the trailer, I would buy parts cars as long as they were rust free.  Growing up in Michigan, I couldn't waste my time on rusty relics.