OEM / REF: 4B3.9SKU: pilotpart860755-8606672978168
Rear Seal Housing 3936904 for Cummins Engine 4BT 6BT 4B3.9 B5.9 ISB5.9 Dodge Vehicle Ram2500 Ram3500 is a Other Engine Parts replacement part for Cummins Engine Spare Parts, categorized under Engine Spare Parts > Other Engine Parts. Use OEM part number 4B3.9 and confirm machine model, engine model, and serial detail...
Cummins Other Engine Parts buyers can use 4B3.9 to cross-check shape, connector style, and mounting position against the component being replaced.
Additional cross references on file: 6B5.9, B3.9, B5.9. 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.
