Broken Alternator Braket

So, I picked up a 77 Winnebago with a 440. Yeah, I know it's not an A body, but it IS a 440 :D Well, the alternator bracket broke at the top left alternator. Can I just swap an alternator bracket off a junk yard 440 to fix my Winny, or do I need to contact Winnebago about this?

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