21P-63-03120K Arm Cylinder Seal Kit Fits Komatsu PC150-6K PC160-6K
21P-63-03120K Arm Cylinder Seal Kit Fits Komatsu PC150-6K PC160-6K
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One New Aftermarket Replacement Arm Cylinder Seal Kit for Komatsu Excavators
This aftermarket replacement arm cylinder seal kit rebuilds the hydraulic arm (stick) cylinder on Komatsu PC150-6K, PC150LC-6K, and PC160-6K excavators. The kit is designed for the cylinder assembly number 21P-63-03120, fitting machines with serial numbers K30198 and up on the PC160-6K. It contains all seals required to restore a leaking arm cylinder to proper working condition.
Specifications
- Rod Diameter: 85 mm
- Bore Diameter: 120 mm
- Kit Contents: Wiper seal, 2-piece U-cup, 4-piece rod seal, 2-piece wear band, T-seal, 4-piece O-ring, 5-piece backup seals
- Cylinder Application: Arm (stick) cylinder
Compatible Models
Komatsu Excavators: PC150-6K, PC150LC-6K, PC160-6K
Note: For PC160-6K, this kit applies to serial numbers K30198 and up (cylinder #21P-63-03120). PC160-6K units with serial numbers K30001-K30197 use a different arm cylinder assembly. Verify your serial number before ordering.
Replaces Part Number(s):
21P-63-03120K, 21P-63-03120K-A
Aftermarket Interchange Numbers
HYI40-0931
New aftermarket replacement part - not remanufactured, not used.
