OEM / REF: YM129407-21000SKU: pilotpart074203-6066811437232
Crankshaft YM129407-21000 for Komatsu 4D88E Engine is a Crankshaft replacement part for Komatsu Engine Spare Parts, categorized under Engine Spare Parts > Crankshaft. Use OEM part number YM129407-21000 and confirm machine model, engine model, and serial details before checkout.
This Crankshaft is indexed for Komatsu Komatsu 4D88E Engine. Compare reference number YM129407-21000 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number YM129407-21000, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.
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.
