Track Roller Description
This Track Roller is indexed for Komatsu Fit for Komatsu Excavator: PC38UUM-2, PC38UU-2, PC30-7, PC25-1, PC25R-1. Compare reference number 20S-30-00021 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 20S-30-00021, 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.




