OEM / REF: 4988423SKU: pilotpart236865
Muffler Silencer 4988423 for Cummins Engine 4BT 4BT3.9 is a Muffler replacement part indexed for Part Number and Cummins s : 4B3.9, B5.9, 6B5.9, 4BT, 4BT3.9. Match OEM part number 4988423 and confirm fitment for Cummins Engine Spare Parts before ordering.
This Muffler is indexed for Part Number; Cummins s : 4B3.9, B5.9, 6B5.9, 4BT, 4BT3.9. Compare reference number 4988423 against the label on your existing Cummins component before ordering.
Additional cross references on file: C4988423, 4BT3.9, B5.9. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
| Part Number | 4988423, C4988423 |
|---|
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.
