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Crankshaft Components for Cummins 378, 504, 555, and 903 Engines

We offer a large assortment of new and remanufactured crankshaft components, including crankshafts, bearings and seals, and vibration dampers 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 888.687.0539: our friendly inside sales staff will gladly assist you.


OIL SEAL - G28 / V28 / V378 / V504 / V555 / VT8

Genuine Cummins Part

$128.68

CRANKSHAFT - SMALL V SERIES (WITH GEAR)

Genuine Cummins Part

$21,098.45

CRANKSHAFT SEAL - V378 / V504 / V555 / V903

$19.93

MAIN BEARING SET - V903 (STANDARD)

$258.60

MAIN BEARING SET - V903 (.010 OVERSIZE)

$244.61

MAIN BEARING SET - V903 (.020 OVERSIZE)

$226.65

MAIN BEARING SET - V-555 / VT378C (STANDARD)

$81.72

MAIN BEARING SET - SMALL V SERIES (.010 OVERSIZE)

$80.70

MAIN BEARING SET - SMALL V SERIES (.020 OVERSIZE)

$76.28

MAIN BEARING SET - V378C (STANDARD)

$66.38