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I hate to say it, but "rots-o-ruck". You're looking for some of the hardest to get and most wanted parts for these specific year trucks. I believe you can glass fenders, but I don't think the hoods are available.
You're best bet is to go to classic car or rod shows and find the best of the worst in the car corals.
Sorry I can't help and good luck on your hunt. BTW, we had to do some major welding on our '41 fenders. Luckily, the hood only has a huge dent in the drivers side, but it is something I can fix.