Connecting rod bearing illustration – not the actual part
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Connecting rod bearing illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTConnecting Rod Bearings

DS-3939391 Connecting Rod Bearing Half For Cummins QSB-110C And QSB4.5 Diesel Engines

Upper, .25 mm O/S

OEM #: 3939391SKU: DS3939391

In Stock

$5.68

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The DS-3939391 connecting rod bearing half can be used on the following Cummins engines:

  • QSB-110C
  • QSB4.5
  • QSB5.9
SKU DS3939391
OEM Number 3939391
Part Type Connecting Rods, Bearings
OEM Brand CUMMINS

Aftermarket 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.

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Connecting rod bearing illustration – not the actual partDiesel Parts Direct logo
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