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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.

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 Fuel System Components for 378, 504, 555, and 903 Engines

We offer a great choice of Cummins Small V Series fuel system components, including fuel injectors and lift pumps. We carry parts for V6-378, V8-504, V8-555, and V8-903 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.

Cummins Fuel System, V6, 378, V8, 504, 555, 903

Fuel Injectors

Cummins Fuel System, V6, 378, V8, 504, 555, 903

Lift Pumps

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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