Main part number 5262315 aftercooler has interchangeable alternatives 3924732, 3914501 and 3907171, compatible with Cummins 6C8.3 engines. It effectively cools down compressed intake air to raise engine power output and reduce thermal load. Precision?built core structure ensures great heat exchange efficiency. It is an indispensable cooling component for overhauling medium?duty diesel power systems.