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

Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTOther Parts

Cummins 3910343 Heat Exchanger Gasket

Compatible With 4BT3.9, 6BT, B4.5, B5.9, ISB3.9, ISB4.5, and QSB3.9 Engines

Genuine Cummins Part

OEM #: 3910343SKU: 3910343

Special Order

$25.49

Taxes and Shipping are calculated at checkout

Hassle Free Return

This is a genuine Cummins Heat Exchanger Gasket for 4BT3.9, 6BT5.9, B4.5, B5.9, ISB3.9, ISB4.5 and QSB3.9 engines.

SKU 3910343
OEM Number 3910343
Part Type Miscellaneous
OEM Brand CUMMINS

Warranty

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Genuine Cummins parts warranty

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  • Orders are processed the same or next business day
  • Expedited shipping options available at Checkout
  • If same-day shipping is critical, please call to confirm availability

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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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