Exhaust manifold illustration – not the actual part
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Exhaust manifold illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTExhaust Manifolds

Cummins 3937477 Exhaust Manifold

Compatible With Series, Series, ISB, and QSB Engines

Genuine Cummins Part

OEM #: 3937477SKU: DS3937477

Ships in 1-2 days

$114.92 $130.59

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

SKU DS3937477
OEM Number 3937477
Part Type Exhaust Manifolds
OEM Brand CUMMINS

Aftermarket warranty

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Genuine Cummins parts 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.

Frequently bought together

Diesel Parts Direct logo
CUMMINS Cummins 5633648 Exhaust Manifold Kit For 6C 8.3L And ISC Engines
$1,734.34 $1,970.84
Special Order