Caterpillar 3406 Aftercooler # 850154

Caterpillar, 3406, Aftercooler, Engine, Fresh Water Application ONLY, (AC-4N4077, 4N4077, 4N-4077, 4N-9064, 4N9064, 1W6990), THIS UNIT IS BUILT INTO THE HOUSING AND ISN'T REMOVABLE OUT OF THE HOUSING *ICEBOX Replacement part for OEM*@