Main bearing set illustration – not the actual part
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Main bearing set illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTOther Parts

Cummins 4955855 Main Bearing Set For B Series, ISB, And QSB Diesel Engines

(Standard) Series

Genuine Cummins Part

OEM #: 4955855SKU: DS4955855

Ships in 1-2 days

$60.76 $69.05

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This is a genuine Cummins Standard Main Bearing Set for B Series engines.

SKU DS4955855
OEM Number 4955855
Part Type Miscellaneous
OEM Brand CUMMINS

Aftermarket warranty

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Genuine Cummins parts warranty

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.