Cummins ISB and QSB Crankshaft Bearings and Seals
We sell crankshaft main bearings, front and rear seals 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 part you are looking for, please use our quote request form or call us at 855.470.3525 : our knowledgeable sales staff will gladly help you.
OIL RING SEAL - ISB / B SERIES
Genuine Cummins Part
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CRANKSHAFT OIL SEAL - ISB / QSB
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OIL SEAL - 6CTA / ISB / QSB
Genuine Cummins Part
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Ships in 3-4 days
FRONT OIL SEAL - B3.3 / QSB3.3
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Ships in 3-4 days
MAIN BEARING - B3.3 / QSB3.3 (.50 MM O/S)
Genuine Cummins Part
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MAIN BEARING SET - ISB (STANDARD)
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Ships in 1-2 days
MAIN BEARING SET - B SERIES / ISB / QSB (STANDARD, FPD)
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Ships in 1-2 days
MAIN BEARING SET - 4B (STANDARD)
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Ships in 1-2 days
MAIN BEARING SET - 4B (.25 MM OVERSIZE)
Surplus Item - Special Pricing
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MAIN BEARING SET - 4B (.50 MM OVERSIZE)
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Ships in 1-2 days
MAIN BEARING SET - ISB (.030" / .75 MM)
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Ships in 1-2 days
MAIN BEARING SET - ISB (.040" / 1.00 MM)
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MAIN BEARING SET - B SERIES (.030" / .75 MM)
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Ships in 1-2 days
MAIN BEARING SET - ISB (.040" / 1.00 MM)
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FRONT CRANKSHAFT SEAL & WEAR SLEEVE KIT - B SERIES
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REAR CRANKSHAFT OIL SEAL KIT - B SERIES / C SERIES
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Ships in 1-2 days
FRONT CRANKSHAFT SEAL KIT - ISB / QSB (WITH INSTALLATION TOOL)
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FRONT OIL SEAL KIT - 6C8.3 / G8.3 / ISC / ISL
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REAR CRANKSHAFT SEAL SERVICE KIT - 6CTA / ISB / QSB
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Ships in 1-2 days
FRONT CRANKSHAFT OIL SEAL - ISB / QSB
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MAIN BEARING SET - 4BT / 6BT (STANDARD)
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Ships in 1-2 days
MAIN BEARING SET - ISB / QSB (.010 OVERSIZE)
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MAIN BEARING - B SERIES / ISB / QSB (FLANGED)
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MAIN BEARING - B SERIES / ISB / QSB (FLANGED)
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MAIN BEARING - B SERIES / ISB / QSB (FLANGED)
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MAIN BEARING) - B SERIES / ISB / QSB (1.00 MM, FDP)
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THRUST WASHER SET - QSB (STANDARD | FPD)
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OIL SEAL - B3.3 / QSB3.3 (REAR)
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CYLINDER HEAD GASKET - B3.3 / QSB3.3
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Ships in 1-2 days
OIL SEAL - B3.3 / QSB3.3 (FRONT)
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