Guangzhou Guoli Engineering Machinery Co., Ltd.
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Prouduct Description
| Part Name | Boom hydarulic cylinder | Part Number | K1006235 401107-00584 K9002289 |
| Model | DX340LC DX350LC | Warranty | 1 Year |
| Appliaction | for Doosan DX340LC Excavator | OEM | YES |
| Condition | Brand New | Packing | Wooden Case or your requirement |
Cylinder dimension confirmation
Prior to order confirmation, we will work closely with you to verify the cylinder specifications. To assist with this process, we will provide detailed reference drawings for your review and confirmation.
Common Issues and Solutions
| Symptom | Possible Cause | Recommended Solution |
| 1. Oil Leaks | Worn or damaged seals, loose fittings, or cracked housing | (1)Inspect and replace seals promptly. (2) Tighten connections or replace damaged parts. |
| 2. Loss of Power | Internal leakage, air in the system, or pump malfunction | (1) Check for internal leaks or faulty seals. (2)Bleed the system to remove trapped air. |
| 3. Uneven Movement | Bent rod, contaminated hydraulic oil, or worn internal parts | (1)Inspect for rod deformation or scoring.(2)Flush and replace oil; clean the cylinder. |
| 4. Strange Noises | Air in the system or worn bushings/pins | (1)Bleed the hydraulic circuit.(2)Inspect and replace worn mechanical components. |
| 5. Cylinder Deformation | Physical impact or overload stress | (1)Stop usage immediately.(2)Replace damaged cylinder body to restore safety and function. |
Company Information
With over 16 years of industry expertise, GLPARTS specializes in the manufacturing and global supply of excavator components—including hydraulic cylinders, pumps, control valves, travel motors, final drives, diesel engines, cylinder tools, and undercarriage parts. Our products are compatible with major brands such as CATT, Komatsuu, Volvoo, Hitachii, Hyundaii, and more, and are trusted in over 100 countries.
We are dedicated to delivering competitive pricing, fast production lead times, and dependable after-sales service. GLPARTS is committed to building long-term partnerships that drive mutual growth and success.
Inquiries from prospective clients and global partners are always welcome.
Delivery & Packaging
More Cylinder We Can Provide(not more than that)
We Offer a Wide Selection of Hydraulic Cylinders,if you don't find the model you want,pleasee contact with us.
| model | part number | model | part number |
| 225 | K1044991A | S200W-V | 400305-00220 |
| DX230LC | K1041222A | 225 | 400305-00220 |
| DX220A | K1041222A | S220LC-5 | 400305-00219 |
| 225 | K1041222A | S210W-5 | 400305-00219 |
| 340 | 440-00032A | S200W-V | 400305-00219 |
| 340 | 440-00032 | 225 | 400305-00219 |
| S220LC-5 | 400305-00465 | 340 | 400305-00032 |
| S210W-5 | 400305-00465 | 340 | 2440-9280H |
| S200W-V | 400305-00465 | 340 | 2440-9280G |
| 225 | 400305-00465 | S220LC-5 | 2440-9236B |
| S220LC-5 | 400305-00220 | S210W-5 | 2440-9236B |
| S210W-5 | 400305-00220 | S200W-V | 2440-9236B |
| 225 | 2440-9236B |