OEM / REF: 3974421SKU: pilotpart213051
Flywheel 3974421 for Cummins Engine ISB ISBE 6BT 3.9 5.9 6.7 is a Flywheel & Ring replacement part indexed for Part Number and Cummins s: Fit for Engine: Cummins ISB, ISBE, 6BT, 3.9, 5.9, 6.7. Match OEM part number 3974421 and confirm fitment for Cummins Engine Spare Parts before ordering.
This Flywheel Ring is indexed for Part Number; Cummins s: Fit for Engine: Cummins ISB, ISBE, 6BT, 3.9, 5.9, 6.7. Compare reference number 3974421 against the label on your existing Cummins component before ordering.
Additional cross references on file: C3974421. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
| Part Number | 3974421, C3974421 |
|---|
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.
