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Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

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Oil Pumps for Cummins 6CTA, ISC, and QSC Engines

We carry oil pumps for Cummins C Series 8.3 liter engines. Our inventory is easily accessible through the product links listed below.

If you do not see the part you need, please use our quote request form or call us at 888.687.0539: our friendly sales staff will be happy to assist you.

5449240

LUBRICATING OIL PUMP - C SERIES

Genuine Cummins Part

$596.25

Qty:

DS-3800828

OIL PUMP - C SERIES

$264.20

Qty:

Ships in 1-2 days

DS-3928031

PISTON COOLING NOZZLE - C SERIES

$0.68

Qty:

Ships in 1-2 days

DS-3948072

OIL PUMP - C SERIES

$280.58

Qty:

Ships in 1-2 days

DS-4937311

PISTON COOLING NOZZLE - 6C8.3 / G8.3 / ISC / ISL

$22.40

Qty:

Ships in 1-2 days

Caterpillar® and all of the Caterpillar® engine models listed on this website are registered trademarks of Caterpillar, Inc. Cummins® and all of the Cummins® engine models listed on this website are registered trademarks of Cummins. Detroit Diesel® and all of the Detroit Diesel® engine models listed on this website are registered trademarks of Daimler AG. John Deere® and all of the John Deere® engine models listed on this website are registered trademarks of John Deere. Allison Transmission® and all of their transmission models listed on this website are registered trademarks of Allison Transmission®. Diesel Parts Direct is not an authorized dealer for Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission. None of the parts beginning with "DS" or "R" are genuine Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission items.

CID: 2

Oil Pumps for Cummins 6CTA, ISC, and QSC Engines

5449240

DS-3800828

DS-3928031

DS-3948072

DS-4937311

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