Bearings & Seals

Bearings & Seals

We carry new and crankshaft main bearings, front and rear seals for Cummins 3.9 and 5.9 liter engines. For your convenience, you can access our inventory through the product links listed below.

If you do not see the B Series part you need, please use our quote request form or call us at +91 9433017781 / +91 3322100525: our friendly sales staff will gladly help you.

SP-4955867

MAIN BEARING) – B SERIES / ISB / QSB (1.00 MM, FDP)

SP-3800872

MAIN BEARING SET – B SERIES / ISB / QSB (STANDARD, FPD)

SP-4955866

MAIN BEARING – B SERIES / ISB / QSB (FLANGED)

SP-4955865

MAIN BEARING – B SERIES / ISB / QSB (FLANGED)

SP-4955864

MAIN BEARING – B SERIES / ISB / QSB (FLANGED)

SP-4089342

REAR CRANKSHAFT SEAL SERVICE KIT – 6CTA / ISB / QSB

SP-3802010

MAIN BEARING SET – 4B (STANDARD)

SP-3926126

REAR CRANKSHAFT OIL SEAL KIT – B SERIES / C SERIES

SP-3906081

REAR CRANKSHAFT SLEEVE – B SERIES / C SERIES

SP-3909410

SEAL – B SERIES / C SERIES

SP-3906080

FRONT CRANKSHAFT SLEEVE – B SERIES

SP-3802071

MAIN BEARING SET – 6B (.25 MM OVERSIZED)

SP-4955352

MAIN BEARING SET (STANDARD)

SP-3802011

MAIN BEARING SET – 4B (.25 MM OVERSIZE)

SP-3802012

MAIN BEARING SET – 4B (.50 MM OVERSIZE)

SP-3802072

MAIN BEARING SET – 6B (.50 MM OVERSIZE)

SP-C6204213510

OIL SEAL – B3.3 / QSB3.3 (FRONT)

SP-C6140211341

OIL SEAL – B3.3 / QSB3.3 (REAR)

SP-3934486

REAR CRANKSHAFT SEAL SERVICE KIT – 6CTA / ISB / QSB

SP-3824498

OIL SEAL INSTALLER – B SERIES

SP-C6204288100

MAIN BEARING – B3.3 / QSB3.3 (.50 MM O/S)

SP-4890832

FRONT CRANKSHAFT OIL SEAL – ISB / QSB

SP-4024883

FRONT OIL SEAL KIT – 6C8.3 / G8.3 / ISC / ISL

SP-4955860

MAIN BEARING SET – ISB / QSB (.010 OVERSIZE)

SP-4955853

MAIN BEARING SET – 6B (STANDARD)