Cummins 5543592 Aftercooler Core

The Cummins 5543592 aftercooler core is an OEM replacement component engineered for the K50 engine platform, encompassing KTA38, QSK38, C6KTA, and QSK50 diesel engine variants. It functions as the primary heat exchanger in the charge air cooling system, reducing compressed air temperature from the turbocharger before intake manifold entry. This core supersedes part numbers 3049521, 3065432, 3068976, 3638311, and 3638360. Manufactured to Cummins specifications for thermal performance and structural integrity under high boost pressure cycles. Suitable for heavy construction machinery, power generation sets, marine propulsion, and heavy-duty truck applications.