Sprocket Description
This Sprocket is indexed for Komatsu Fit For Komatsu Excavator: PC20FR-2. Compare reference number YM172173-29100 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number YM172173-29100, 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.




