Camshaft illustration – not the actual part
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Camshaft illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTCamshafts

Cummins 3914639 Camshaft For 6BT 5.9L Diesel Engines

OEM #: 3914639SKU: 3914639
$509.24

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

SKU 3914639
OEM Number 3914639
Part Type Camshafts & Bearings
OEM Brand CUMMINS

Aftermarket warranty

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Genuine Cummins parts warranty

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  • Orders are processed the same or next business day
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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.