I guess I am not understanding something here but it sure looks like there is an offset in the picture, to me…..Just to be clear, the offset holds the latch up and released in forward and allows the latch to lower and engage in reverse. It all looks like the same patina to me, as if the part is correct. Obviously, the lower gear case is different but that should not have anything to do with the latch. Does the hook mechanism move freely by hand? There should be a spring that holds it down and engaged, in reverse, when the offset has backed away from the latch.
Long live American manufacturing!