The YNF16883 (707-99-45170) Arm Seal Kit is designed for Komatsu PC130-8 excavators, providing a complete sealing solution for the arm (middle boom) hydraulic cylinder. Manufactured with high-quality rubber and polymer materials, this kit ensures leak-free operation, smooth cylinder movement, and reliable performance under heavy-duty working conditions.

• Compatible with Komatsu PC130-8 excavators

• Direct replacement for OEM part number 707-99-45170

• Includes a full set of seals, O-rings, and wear rings for complete arm cylinder maintenance

• Made from premium NBR, PU, and PTFE materials resistant to hydraulic oil, heat, and pressure

• Ensures stable and leak-free operation of the arm cylinder

• OEM-standard dimensions for precise fitment and easy installation

• Suitable for routine maintenance or full cylinder overhaul

• Enhances arm cylinder durability and overall excavator performance

• Machine model: Komatsu PC130-8

• Component: Arm (Middle Boom) Hydraulic Cylinder

• Ideal for construction, mining, heavy-duty excavation, and earthmoving operations

• Installation guidance and technical assistance

• Pre-shipment photos and size confirmation

• Stable long-term supply for distributors and repair shops

• Custom arm cylinder seal kits available upon request

• Seals packed individually in protective bags

• Export-standard cartons for safe delivery

• Neutral or YNF branded packaging available

• Supports mixed shipments with other parts

Q1: Can this kit fit other Komatsu models?
A: It is designed specifically for PC130-8. Please provide OEM numbers or photos for compatibility verification.

Q2: What is the expected service life?
A: The seals are designed for long-lasting performance under normal and heavy-duty hydraulic operations.

Q3: Can this kit be shipped with other parts?
A: Yes, mixed orders are fully supported.