21P-63-K3600K Bucket Cyl Seal Kit PC150-6One New Aftermarket Replacement Bucket Cylinder Seal Kit for Komatsu Excavators This aftermarket replacement bucket cylinder seal kit is designed for the Komatsu PC150 6 and PC160 6 series excavators. It restores proper hydraulic sealing in the bucket cylinder, helping eliminate leaks and maintain full digging force. The kit contains the wiper seals, rod seals, u cups, o rings, and backup seals required for a complete bucket cylinder rebuild.
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