Quality used lubricating oil pump for a Cummins ISC/ISL/ISB 8.3 engine, backed by our standard warranty.

OEM # 4983588, 3991123, 3950005, 3942723, 3948072, 5449240, 700857AT, 2529-20C

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.

30PS-3991123-STK

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