Cylinder Seal Kit 707-98-05660 for Komatsu Excavator PC16R-3 PC16R-3 HS PC18MR-2

Product Overview

This cylinder seal kit contains all necessary seals and O‑rings to rebuild the hydraulic cylinders on Komatsu PC16R‑3, PC16R‑3 HS, and PC18MR‑2 excavators. It restores hydraulic performance and prevents fluid leaks, extending the service life of the equipment. The kit is an exact replacement for Komatsu part number 707‑98‑05660.

Key Features & Performance

• Includes all seals, wipers, and O‑rings for a complete cylinder rebuild
• Direct replacement for Komatsu OEM part 707‑98‑05660
• Manufactured from durable materials to withstand high hydraulic pressures
• Pre‑assembled kit simplifies ordering and installation
• Helps eliminate cylinder drift and external leaks

Fitment & Compatibility

• Komatsu PC16R‑3
• Komatsu PC16R‑3 HS
• Komatsu PC18MR‑2

Common Uses

• Rebuilding hydraulic cylinders on Komatsu mini excavators
• Replacing worn seals during routine maintenance or after seal failure
• Restoring lifting and digging performance on PC16R‑3 and PC18MR‑2 machines

Technical Specifications

• Part Number(s): 707‑98‑05660
• Type: Cylinder Seal Kit

Frequently Asked Questions

Q: Does this kit include all seals for the boom and arm cylinders? A: This kit is intended for a specific cylinder; please verify the cylinder part number and application before ordering.

Q: Is the material compatible with biodegradable hydraulic fluids? A: The seals are designed for conventional hydraulic oils; check fluid compatibility with your dealer if using special fluids.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.