OEM / REF: 4TN78LSKU: pilotpart813275
Overhaul Rebuild Kit for Yanmar 4TN78L 4TN78TL-RB Engine YB451 YB501 Excavator is a Overhaul Kits replacement part for Yanmar Engine Spare Parts, categorized under Engine Spare Parts > Overhaul Kits. Use OEM part number 4TN78L and confirm machine model, engine model, and serial details before checkout.
This Overhaul Kits is indexed for Yanmar Yanmar 4TN78L 4TN78TL-RB Engine YB451 YB501 Excavator. Compare reference number 4TN78L against the label on your existing Yanmar component before ordering.
Additional cross references on file: 4TN78TL-RB, YB451, YB501. 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.
