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Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTOther Parts

DS-3910903 Flywheel Ring Gear For Cummins Engines

Compatible With 4B3.9, 6B5.9, B5.9, ISB6.7, QSB4.5, and QSB5.9 Engines (152 Teeth)

OEM #: 3910903SKU: DS3910903
$81.82

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

SKU DS3910903
OEM Number 3910903
Part Type Miscellaneous
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.