Checkout pages 128-130 of
Chevrolet Master Parts Catalog . It shows images of the 35-51 front and side mounts, along with the truck front mounts and the 52-54 side mounts. I recall, after looking at the parts catalog, using the 3693425 front mounts in my 1951 Chevy and also in the 1953 210 before going back to the 1953 sidemounts shown on page 129.
