Guangzhou Guoli Engineering Machinery Co., Ltd.
| Payment Terms | T/T,Western Union,MoneyGram |
| Supply Ability | 2000pieces/month |
| Delivery Time | 7 Days |
| Packaging Details | Wooden Case |
| Product Name | EX550 Arm Cylinder 4309334 4354803 Excavator Hydraulic Cylinder Factory |
| Model Code | EX550 |
| Part No. | 4309334 4354803 |
| Cylinder Quality | Original Quality |
| Warranty | 12 Months |
| Material | High Strength Steel |
| Surface Treatment | Chrome Plating |
| Brand Name | Glparts |
| Model Number | EX550 |
| Certification | ISO9001 |
| Place of Origin | Made In China |
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Product Specification
| Payment Terms | T/T,Western Union,MoneyGram | Supply Ability | 2000pieces/month |
| Delivery Time | 7 Days | Packaging Details | Wooden Case |
| Product Name | EX550 Arm Cylinder 4309334 4354803 Excavator Hydraulic Cylinder Factory | Model Code | EX550 |
| Part No. | 4309334 4354803 | Cylinder Quality | Original Quality |
| Warranty | 12 Months | Material | High Strength Steel |
| Surface Treatment | Chrome Plating | Brand Name | Glparts |
| Model Number | EX550 | Certification | ISO9001 |
| Place of Origin | Made In China | ||
| High Light | Excavator hydraulic arm cylinder ，Excavator hydraulic cylinder 4309334 ，Excavator hydraulic cylinder 4354803 | ||
EX550 Arm Cylinder 4309334 4354803 Excavator Hydraulic Cylinder Factory
| Item Name | EX550 Excavator Hydraulic Arm Cylinder |
| Model Code | EX550 |
| Part No. | 4309334 4354803 |
| Cylinder Barrel | 25Mn Steel |
| Piston Rod | 45Mn Steel |
| Cylinder Oil Seal Kits | NOK / SKF |
| Quality | Original Quality |
EX550 Excavator Hydraulic Cylinder:
EX550 CYL.;BOOM: 4309332 4354802 4309333
EX550 CYL.;ARM: 4309334 4354803
EX550 CYL.;BUCKET: 4309335 4338133 4354830 4352759 4340513
We can do
1. Custom Cylinder Solutions
We offer tailor-made hydraulic cylinders to match your specific machine models, drawings, or working conditions.
2. 12-Month Warranty
All our cylinders come with a one-year warranty covering material defects and manufacturing faults for peace of mind.
3. Transparent Manufacturing Process
We share detailed production videos—from raw material selection to precision machining—so you can see the quality behind every product.
4. Installation Guidance
Our technical team is ready to provide professional installation support to ensure correct fitment and performance.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2004
Total Annual:
3000000-6000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Guangzhou Guoli Engineering Machinery Co., Ltd., located in GuangZhou city, benefits from a large construction machinery parts market and convenient transportation access. Our company specializes in producing a range of excavator hydraulic cylinders, including excavator arm cylinders, boom cylinders... Guangzhou Guoli Engineering Machinery Co., Ltd., located in GuangZhou city, benefits from a large construction machinery parts market and convenient transportation access. Our company specializes in producing a range of excavator hydraulic cylinders, including excavator arm cylinders, boom cylinders...
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