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888.687.0539

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.

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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Cummins 4BT/6BT Oil Pumps

Cummins 4BT/6BT Oil Pump

We carry oil pumps for Cummins 3.9 and 5.9 liter engines. For your convenience, you can access our inventory through the product links listed below.

If you do not see the B Series part you need, please use our quote request form or call us at 888.687.0539: our friendly sales staff will gladly help you.

5291050

LUBRICATING OIL PUMP - ISC8.3 / QSC8.3

Genuine Cummins Part

$304.10

C6204511201

LUBRICATING OIL PUMP - B3.3

Genuine Cummins Part

$1,109.13

DS-3915703

OIL PAN - 6BT

$154.19

DS-3971544

OIL PUMP - B SERIES / ISB / QSB

$95.93

DS-4939585
Restocking Fee Applies

OIL PUMP - B SERIES / ISB / QSB

$288.08

DS-4939587

OIL PUMP - B SERIES / ISB / QSB

$153.83

DS-4939588
Hassle-Free Return Item

OIL PUMP - B SERIES / ISB / QSB

$120.96

DS-4988801

OIL PUMP - B SERIES / ISB / QSB

$232.16

DS-5273937

REPLACED. PLEASE USE ITEM # DS-5313086

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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