Hollander's says '56 Pontiac w/o a/c is #3135948 and interchanges with 1955 Pontiac w/o a/c. '56 with a/c is a one year only and is #3135833 Part numbers are embossed in the top tank.
Do you have one at all thats junk or don't have anything? You can use the frame to mount in a newer aftermarket radiator like a 55-57 Chevy or a universal one like I did. Or just make you own frame to mount one in I suppose.
The Jalopy Journal
