Apparently 67 and 68 Z used pan 3927134
69 used pan 3974251
I know for certain that the drain plug is different. 67-68 used the large hex head drain plug. 69 used the smaller 9/16 hex head with the same thread.
I also believe that even a slight change (like the different drain plug) would call for a different part number. But I don't know if there are any OTHER differences in the two pans.
Can anyone help this member out? Surely with all the knowledge on this board, someone knows.
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