21K-70-71180 Pin Fits Komatsu Models
21K-70-71180 Pin Fits Komatsu Models
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One New Aftermarket Replacement Pin for Komatsu Excavators
This aftermarket replacement pin is a direct replacement for Komatsu OEM part number 21K-70-71180. The 21K-prefix part number series is associated with the Komatsu PC160 and PC170/PC180 excavator family, covering pins used in boom, stick, and linkage assemblies on mid-size hydraulic excavators. Verify your exact model and assembly location against your machine's parts manual before ordering.
Compatible Models
Komatsu Excavators: Fits Komatsu models using OEM part number 21K-70-71180. The 21K-series pins are used across the Komatsu PC160, PC170, and PC180 excavator lines. Confirm fitment using your machine's serial number and parts breakdown.
Replaces Part Number(s):
21K-70-71180, 21K7071180
New aftermarket replacement part - not remanufactured, not used.



