Quality used crankshaft for a Cummins ISB, 5.9L Whelical gear, backed by our standard warranty.

Compatibility with Cummins Engines
ISB CM550
QSB5.9 44 CM550

OEM # 3941199 3944243, 3944204, 99T0-7

Please Note: The part sent may not exactly match the one pictured. Appearance may vary. For specific part requests, please call 888-315-2575. Additional core charge may apply.

43C-3941199-STK

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