Our new radiator is designed and built to precise dimensional specifications to ensure an exact fit. Each radiator has a stamped brass tank, undergoes a rigorous quality inspection, and is 100% leak tested. This radiator has a serpentine fin construction and 3 rows of tubes. It is 16.75" tall and the core size is 19.375" wide. This radiator fits the Kubota Compact Tractor M4030SU. (NOTE: replaces 1739372062)