Gasket illustration – not the actual part
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Aftermarket parts may appear slightly different, including the packaging.

CumminsISB / QSBLift Pumps

DS-3914389 Fuel Pump Gasket For Cummins Engines

Compatible With 4BT3.9, 6BT5.9, ISB3.9, ISB4.5, and QSB3.9 Engines

OEM #: 3914389SKU: DS3914389

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$2.08

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This is a Fuel Pump Gasket for Cummins 4BT3.9, 6BT5.9, ISB3.9, ISB4.5 and QSB3.9 engines.

SKU DS3914389
OEM Number 3914389
Part Type Fuel Pumps
OEM Brand CUMMINS

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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.