Durable arm cylinder seal kit 440-00044AKT for Doosan DX255, ensuring stable hydraulic sealing and efficient performance in excavator arm repair operations.
The 440-00044AKT arm cylinder seal kit is designed for Doosan DX255 excavators, providing a complete sealing solution for the arm (stick) hydraulic cylinder. It is widely used in maintenance and overhaul operations where reliable sealing is required to ensure stable machine performance.
All components in this kit, including piston seals, rod seals, wiper seals, and O-rings, are manufactured under strict quality control. High-performance materials such as polyurethane and NBR are selected to ensure excellent resistance against high pressure, friction, and hydraulic oil exposure, making it suitable for demanding construction and mining environments.
This arm cylinder repair kit is highly suitable for distributors, repair workshops, and fleet owners who require consistent quality and stable supply. With YNF Machinery, bulk supply is supported, helping B2B buyers reduce downtime, maintain inventory stability, and improve overall business profitability in local markets.
| Item | Specification |
|---|---|
| Product Name | Arm Cylinder Seal Kit |
| Part Number | 440-00044AKT |
| YNF Number | YNF18318 |
| Machine Model | Doosan DX255 |
| Application | Arm hydraulic cylinder repair |
| Material | PU, NBR, PTFE |
| Seal Type | Rod seal, piston seal, wiper seal, O-ring |
| Installation Position | Arm cylinder |
| Brand | YNF |
| Origin | China |
| MOQ | 1 set |
| Payment Terms | T/T, L/C, Western Union |
| Shipping Method | Air, Sea, Express |
| Delivery Time | 3–7 days (in stock) |
| Packaging | Standard export packaging |
| Application Field | Description |
|---|---|
| Construction Industry | Excavation and material handling operations |
| Mining Operations | Heavy-duty digging and loading tasks |
| Infrastructure Projects | Road, bridge, and building construction |
| Hydraulic Maintenance | Arm cylinder sealing and repair service |
| Equipment Refurbishment | Excavator rebuilding and performance restoration |
Q1: Is this compatible with Doosan DX255?
Yes, it is fully compatible with Doosan DX255 using part number 440-00044AKT.
Q2: What is included in the kit?
The kit includes piston seals, rod seals, dust seals, and O-rings for complete arm cylinder repair.
Q3: Can bulk supply be supported?
Yes, YNF Machinery specializes in B2B wholesale and long-term supply.
Q4: What are the advantages?
It ensures reliable sealing performance, reduces leakage, and extends cylinder service life.
YNF Machinery provides high-quality arm cylinder seal kits for global B2B customers. Stable quality, competitive pricing, and reliable supply are ensured to support distributors and repair workshops. Bulk orders are fully supported to help customers expand their market and increase profit margins.
