Alternator mounting

They look the same to me. I think someone added that washer to the OP's large spacer because it wasn't long enough.

Yep, I agree here are a few more pics. Your also right about the thick washer.

View attachment IMG_20160312_180411018.jpg

View attachment IMG_20160312_180417975.jpg

View attachment IMG_20160312_180430926.jpg