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Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

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Cummins ISB and QSB Oil Pumps

Cummins ISB/QSB Oil Pump

We sell oil pumps for Cummins ISB and QSB engines. You can easily access our inventory by visiting the product links listed below.

If you do not see the part you are looking for, please use our quote request form or call us at 888.687.0539: our knowledgeable sales staff will gladly help you.

5291050

LUBRICATING OIL PUMP - ISC8.3 / QSC8.3

Genuine Cummins Part

$300.35

DS-3930337

OIL PUMP - ISB / QSB

$128.51

DS-3971544

OIL PUMP - B SERIES / ISB / QSB

$95.97

DS-4939585
Hassle-Free Return Item

OIL PUMP - B SERIES / ISB / QSB

$249.58

DS-4939586

OIL PUMP - 6BTA / ISB SERIES

$126.53

DS-4939587
Hassle-Free Return Item

OIL PUMP - B SERIES / ISB / QSB

$133.27

DS-4939588
Hassle-Free Return Item

OIL PUMP - B SERIES / ISB / QSB

Surplus Item - Special Pricing

$68.13

DS-4988801

OIL PUMP - B SERIES / ISB / QSB

$201.13

DS-5273937

OIL PUMP - 4B / 6B / ISB

$54.86

888.687.0539 (U.S.)|225.706.4858 (Int.)

Monday-Friday 7am-5pm CST
8784 S. Choctaw Dr. Baton Rouge, LA 70815
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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.

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