Maybe this will help. There are a lot of 41 pickups here.
http://www.stovebolt.com/gallery41-46.htm
As far as the fix, well that MIGHT be a lot of things. If your truck got "nailed" in an accident, the fix would be Plan A. If only the running board supports got "moved" the fix would be Plan B.
As you can see we Need more info

Always get a 2nd opinion, especially if I am the source of the 1st opinion.