Sort of. It’s more if you have a generator the pump stands straight up. If you have an alternator, because the rear end of the alternator is larger diameter, you need the pump that leans (tilts) back to allow room for the alternator. ALSO…the fuel pump shaft for an alternator is about a 1/4 inch shorter. Wrong shaft is not good.
Allen Caron
VW based 53MGTD - "MoneyPenny"
"If one thing matters, everything matters" - from the book The Shack