Radiator. PART NO: A-AR43945. 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. The radiator has 10 fins per inch and 4 rows of tubes. It is 27.9375" tall and the core size is 21.5" wide. This radiator fits multiple John Deere models. (NOTE: Replaces AR43190) Marked AR43947 Replaces AR43190 Dim A (1)Core size: 21.50" wide Dim B (2)27.9375" high Dim C (3)4 rows of tubes Dim D (4)10 fins per inch. . MODELS: John Deere ENGINE: 6-466A (STATIONARY POWER UNIT) John Deere ENGINE: 6-466D (STATIONARY POWER UNIT) John Deere ENGINE: 6-466T (STATIONARY POWER UNIT) John Deere TRACTOR: 4520 John Deere TRACTOR: 4620.