Alternator rebuild

If you have the patience, that may be the best way.

If you seperate the halves, the pulley side of the housing doesn't have anything fragile.
It's the just the back half.

I'm pretty sure I've seen the reddish orange insulation for the windings sold in spray cans. Probably from one of the mail-order parts places like ASP wholesale.
Alternator repair, a little show and tell.