OEM / REF: 6B5.9SKU: pilotpart634899-8987409088760
Intake Air Heater 3929108 for Cummins Engine 4B3.9 6B5.9 6C8.3 ISB ISBE QSB5.9 is a Air Heater replacement part for Cummins HVAC Parts, categorized under HVAC Parts > Air Heater. Use OEM part number 6B5.9 and confirm machine model, engine model, and serial details before checkout.
Cummins Air Heater buyers can use 6B5.9 to cross-check shape, connector style, and mounting position against the component being replaced.
Additional cross references on file: 6C8.3, B4.5S, B6.7S. 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.
