OEM / REF: 3.9LSKU: pilotpart977171
Exhaust Manifold 3901223 for Cummins Engine B-Series 3.9L 4BT3.9 ISBE3.9 QSB3.9 is a Manifold replacement part for Cummins Engine Spare Parts, categorized under Engine Spare Parts > Manifold. Use OEM part number 3.9L and confirm machine model, engine model, and serial details before checkout.
The product belongs to Engine Spare Parts > Emission & Exhaust System > Manifold, making it useful when comparing related engine spare parts Manifold options for Cummins Engine Spare Parts.
Additional cross references on file: 4BT3.9, ISBE3.9, QSB3.9. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
