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 |
| Part Name | Boom Hydraulic Cylinder for R305LC-7 R290LC-7 Hyundai Excavator |
| Model | R305LC-7 R290LC-7 |
| Product Number | 31N850121 31N850125 31N850115 31N850121 |
| Machine Type | Excavator for Hyundai |
| Pressure | 350 bar |
| Shaft diametr | 100 mm |
| Diameter piston | 140 mm |
| Rod shaft | 1465 mm |
| Warranty | 1 Year |
| Color | Customized |
| PN1 | 209-63-X2100 209-63-X2110 209-63-02100 209-63-52540 |
| PN2 | 22B-63-02500 707-00-02340 707-01-XZ660 21T-63-X2330 |
| PN3 | 707-01-XY760 707-01-XZ670 21T-63-X2340 707-01-XY770 |
| PN4 | 707-01-XZ950 707-01-XS540 707-01-XS540 707-01-XZ950 |
| Brand Name | Glparts |
| Model Number | R305LC-7 R290LC-7 |
| Certification | ISO9001;CE |
| Place of Origin | Made In China |
View Detail Information
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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 |
| Part Name | Boom Hydraulic Cylinder for R305LC-7 R290LC-7 Hyundai Excavator | Model | R305LC-7 R290LC-7 |
| Product Number | 31N850121 31N850125 31N850115 31N850121 | Machine Type | Excavator for Hyundai |
| Pressure | 350 bar | Shaft diametr | 100 mm |
| Diameter piston | 140 mm | Rod shaft | 1465 mm |
| Warranty | 1 Year | Color | Customized |
| PN1 | 209-63-X2100 209-63-X2110 209-63-02100 209-63-52540 | PN2 | 22B-63-02500 707-00-02340 707-01-XZ660 21T-63-X2330 |
| PN3 | 707-01-XY760 707-01-XZ670 21T-63-X2340 707-01-XY770 | PN4 | 707-01-XZ950 707-01-XS540 707-01-XS540 707-01-XZ950 |
| Brand Name | Glparts | Model Number | R305LC-7 R290LC-7 |
| Certification | ISO9001;CE | Place of Origin | Made In China |
| High Light | 31N850115 Boom Hydraulic Cylinder Assembly ，31N850125 Boom Hydraulic Cylinder Assembly ，31N850121 Boom Hydraulic Cylinder Assembly | ||
Prouduct Description
Are you looking for Hydraulic Cylinder for your R305LC-7 R290LC-7 Excavator? Deadlines are burning, and the work is at a standstill due to a malfunction? Do you need high-quality spare parts with short delivery times ? Glparts is your choice!
| Part Name | Excavator Boom Hydraulic Cylinder | Apply for | for Hyundai R305LC-7 R290LC-7 Excavator |
| Model | R305LC-7 R290LC-7 | Warranty | 1 Year |
| Part Number | 31N850121 31N850125 31N850115 31N850121 | OEM | YES |
| Condition | New | Packing | Wooden Case or your required |
Key Features
Material: High-strength steel construction with corrosion-resistant coating.
Seal Technology: Advanced hydraulic seals to prevent leaks and extend service life.
Precision Machining: Components manufactured to strict tolerances for smooth operation.
Pre-Assembled: Ready for installation, reducing downtime during replacement.
Company Profile
A. 16+ years of hydraulic cylinder manufacturing
B. Exported to 100+ countries
C. Quality control from raw material to delivery
D. Advanced sealing systems for long-lasting performance
E. Strong R&D team, OEM/ODM support
F. Fast shipping & reliable after-sales service
FAQ
Q1: Is this hydraulic cylinder compatible with other Hyundai excavator models?
A: This assembly is specifically designed for the R305LC-7 and R290LC-7 models. For other models, please confirm compatibility using our part number lookup tool or contact our support team.
Q2: What is the warranty period?
A: We offer a 12-month warranty against manufacturing defects. Damage caused by improper installation or misuse is not covered.
Q3: Are installation instructions included?
A: Yes, a detailed step-by-step manual is provided. For complex installations, we recommend consulting a certified technician.
Q4: How long does shipping take?
A: Delivery times vary by region. Standard shipping takes 3–7 business days; express options are available upon request.
Q5: Can I return the product if it doesn’t fit my machine?
A: Returns are accepted within 30 days for unused items in original packaging. Contact us first to verify compatibility issues.
More Cylinders We Can Provide
| 209-63-X2100 209-63-X2110 209-63-02100 209-63-52540 Boom Cylinder Assy for PC650-5 PC650LC-5 PC650SE-5 Excavator |
| 22B-63-02500 Boom Cylinder Assy for PC128US-2 Excavator |
| 707-00-02340 Boom Cylinder Assy for WA250-3L Excavator |
| 707-01-XZ660 21T-63-X2330 707-01-XY760 707-01-XZ670 21T-63-X2340 707-01-XY770 Arm Cylinder Assy for PC1800-6 Excavator |
| 707-01-XZ950 707-01-XS540 707-01-XS540 707-01-XZ950 PC270-6 PC270-7 Hydraulic Bucket Cylinder Assy for Excavator |
| 205-63-75940 205-63-75141 205-63-65101 205-63-55101 205-63-55800 PC200-1 Hydraulic Bucket Arm Boom Cylinder Assy for Excavator |
| 707-01-XF391 707-01-XF390 707-01-XF401 707-01-XF400 PC360-7 Hydraulic Boom Cylinder Assy for Excavator |
| 707-01-XZ990 PC360-7 Hydraulic Bucket Cylinder Assy for Excavator |
| 707-01-XF461 707-01-XF412 707-01-XF411 PC360-7 Hydraulic Arm Cylinder Assy for Excavator |
| PC350-6 Hydraulic Bucket Arm Boom Cylinder Assy for Excavator |
| 707-00-XT271 PC60-8 Hydraulic Arm Cylinder Assy for Excavator |
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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