Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.
You have no items in your shopping cart.
Replaces old part number 3943841.
This is a genuine Cummins Exhaust Manifold Kit for 6C 8.3L and ISC engines. This is a genuine Cummins part shipped with a 12-month warranty.
Call us at 888.687.0539 with questions or buy online. As always, your satisfaction is guaranteed!
GASKET - ISC350 / ISC330 / ISC300 / ISC / ISC (CM554)
$2.27
EXHAUST MANIFOLD - B SERIES / C SERIES / ISB / QSB
Genuine Cummins Part
$301.30
EXHAUST MANIFOLD BOLT - ISB / ISC / 6B5.9
$7.01
