High-quality PC130-8 arm cylinder seal kit ensuring reliable sealing and stable hydraulic performance.
OEM-equivalent 707-99-45170 arm seal kit
Designed for Komatsu PC130-8 excavator arm cylinder
High-pressure and wear-resistant sealing materials (PU, NBR, HNBR, PTFE)
Prevents hydraulic leakage and restores arm lifting & crowding performance
Ideal for machinery repair shops, rental fleets, and aftermarket distributors
The YNF16883 707-99-45170 arm seal kit is an advanced sealing solution designed for the Komatsu PC130-8 excavator arm hydraulic cylinder. This kit restores the cylinder’s internal sealing integrity, ensuring stable lifting, crowding, and controlled arm movement under demanding working conditions. Made from high-grade sealing materials—PU, NBR, HNBR, and PTFE—it offers excellent resistance to pressure, abrasion, heat, and fluid degradation.
The kit includes essential components such as piston seals, rod seals, dust seals, buffer seals, wear rings, and O-rings, providing a complete restoration of the arm cylinder. Replacing worn seals helps eliminate hydraulic oil leakage, improves machine efficiency, reduces downtime, and protects the cylinder from premature wear.
YNF Machinery offers consistent quality, competitive pricing, and dependable stock availability—ideal for global distributors, repair shops, and construction fleets seeking reliable hydraulic seal kits.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF16883 |
| OEM Number | 707-99-45170 |
| Compatible Machine | Komatsu PC130-8 |
| Product Type | Arm Cylinder Seal Kit / Hydraulic Repair Kit |
| Components Included | Rod seals, piston seals, dust wipers, wear rings, O-rings |
| Material | PU, NBR, HNBR, PTFE |
| Function | Restores arm cylinder sealing & prevents hydraulic leakage |
| Application | Excavator Arm Hydraulic Cylinder |
| Category | Hydraulic Cylinder Seal Kits |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Set |
| Shipping Options | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Komatsu PC130-8 Arm Cylinder | Restores hydraulic pressure and stable arm movement |
| Excavator Hydraulic System | Prevents leakage and maintains consistent force output |
| Cylinder Rebuild & Overhaul | Essential replacement for arm cylinder repairs |
| Aftermarket Parts Distribution | High-demand seal kit among Komatsu hydraulic components |
Related Products:
PC130-8 Boom Seal Kit (707-99-37180)
PC130-8 Bucket Seal Kit (707-99-27780)
Hydraulic Pump Seal Kits
Excavator O-ring Kits
Cylinder Repair Tools
FAQs：
Q: Does this seal kit fit Komatsu PC130-8?
A: Yes, it is the correct replacement for 707-99-45170.
Q: What materials are used in this seal kit?
A: Premium PU, NBR, HNBR, and PTFE compounds for durability.
Q: What is the MOQ?
A: MOQ is 1 set, convenient for urgent repair needs.
The YNF16883 PC130-8 arm seal kit offers superior sealing performance for Komatsu excavator arm cylinders. Manufactured with high-quality materials and precision-engineered for demanding conditions, it restores hydraulic integrity and ensures smooth arm operation. YNF Machinery provides consistent inventory, reliable quality, and competitive prices—ideal for repair shops, dealers, and global distributors. Contact us today for details and quotations.
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