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Pistons and Rods Components for Cummins 378, 504, 555, and 903 Engines

We offer a large assortment of new and remanufactured pistons and rods components, including liner and liner kits, cylinder kits, piston ring sets, connecting rods, and connecting rod bearings for V6-378, V8-504, V8-555, and V8-903 Cummins diesel engines.

If you need any help finding the part you are looking for, please use our quote request form or call us at 855.470.3525: our friendly inside sales staff will gladly assist you.

Cummins Pistons and Rods Components, V6, V8

Piston Ring Sets

Cummins Pistons and Rods Components, V6, V8

Cylinder Kits

Cummins Pistons and Rods Components, V6, V8

Connecting Rod Bearings

Cummins Pistons and Rods Components, V6, V8

Liners and Liner Kits

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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