Did you purchase a denso through rock auto? I’m not finding any denso options available. Just Bosch and some other reman units.Possible bolt in 140-145a alternator - https://forum.ih8mud.com/threads/possible-bolt-in-140-145a-alternator.960770/
Worse thing if I had to complain was loosing the tension bolt, but I don't obsess over stupid stuff like that.