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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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Cummins ISX and QSX Crankshaft Components

We offer a great choice of crankshaft components, bearings and seals, for Cummins ISX and QSX diesel engines.

If you need any help finding a part, please use our quote request form or call us at 888.687.0539: our experienced sales staff will promptly assist you.

DS-3800298

MAIN BEARING KIT - ISX-450ST / ISX15 / ISX CM871 / QSX15 / ISX435ST

$209.10

Qty:

Ships in 1-2 days

DS-4955383

CRANKSHAFT SEAL KIT - ISX / QSX (FRONT)

$74.85

Qty:

In Stock

DS-4965569

CRANKSHAFT SEAL KIT - ISX / QSX (REAR)

$85.54

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

Cummins ISX and QSX Crankshaft Components

DS-3800298

DS-4955383

DS-4965569

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