All of our new parts are aftermarket replacements. Replaces Ford OEM NOS SBA310100630. Core Size:12 5/6″ x 15 2/3″ x 1 3/7. Overall Size:19 1/9″ x 16 3/4″ x 3 8/9. Fins Per Inch: 11. Fill Neck Height: 3/4. For Ford / New Holland NH 1000 1500 1600 1700 Tractor Radiator.