You would be looking for a Modine manufactured radiator for a Dearborn car.
FYI, There also were Western Modine radiator supplied to San Jose build cars, Cougar and Mustang for 1968. These radiators typically are marked “W Mo” on the top tank. They normally have the Ford part number on a tag affixed to the top tank. “Modine” radiators just have FoMoCo on top tank, and the Ford part number is normally found on the side straps. They also have dates.