
Up through 1960, Ford used a different parts number system, one that started getting crowded as newer cars had more options and various parts available. Therefore, effective Sept. 1, 1960, Ford implemented the alpha-digit system that we're now familiar with. This 16-page brochure is a basic primer to the dealers about why such a change is in order and how the new parts numbering system would work.
The Ford Part Number Conversion Program brochure

In the future, this page can be found linked to from the bottom of the Factory Literature Index.