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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 ISB and QSB Parts Catalogs

We sell parts catalogs 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 manual 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.

3672122

AUTOMOTIVE PARTS CATALOG - ISB

Genuine Cummins Part

$63.59

Qty:

4056478

PARTS CATALOG - QSB 5.9 (INDUSTRIAL)

Genuine Cummins Part

$63.59

Qty:

4056494

PARTS CATALOG - ISB 3.9 / 4BT

Genuine Cummins Part

$63.42

Qty:

4056509

PARTS CATALOG - ISB 5.9 (WITH CM850 CONTROL MODULE)

Genuine Cummins Part

$63.59

Qty:

4056527

PARTS CATALOG - QSB 4.5-30

Genuine Cummins Part

$63.59

Qty:

In Stock

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 ISB and QSB Parts Catalogs

3672122

4056478

4056494

4056509

4056527

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