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Excavator Hydraulic Cylinder
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Arm Cylinder
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Boom Cylinder
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Bucket Cylinder
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Excavator Spare Parts
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Excavator Hydraulic Pump
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Excavator Gear Pump
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Excavator Valve
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Travel Motor Assy
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Swing Motor Assy
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Excavator Electrical Parts
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Excavator Swing Ring
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Excavator Undercarriage Parts
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Excavator Engine
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Excavator Tools
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DavidWe’ve been working with GLPARTS for our excavator hydraulic needs, and their customer service has been fantastic. The quality of the cylinders is top-notch, and they match perfectly with our Volvo and Hyundai excavators. Fast shipping, excellent fit, and reliable performance!
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JohnWe’ve been using GLPARTS' hydraulic cylinders for our excavators for over a year now, and we couldn't be happier. The quality is excellent, the fitment is perfect, and delivery times are always faster than expected. Highly recommend their products for any heavy equipment needs!
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MariaThank you to GLPARTS for their fast and reliable service. The hydraulic cylinders we purchased fit our JCB excavators perfectly, and we’ve seen a noticeable improvement in efficiency. The cylinders are made of high-quality materials, and they’ve been holding up well under tough conditions.
OEM SY485 Hydraulic Arm Cylinder Excavator Stick Cylinder High Performance

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xProduct Name | Hydraulic Arm Cylinder | Models | SY485 |
---|---|---|---|
Machine Category | Excavators | Can It Be Customized? | Yes |
Surface Treatment | Piston Rod Hard Chromium Plating Cylinder Tube ,Inner Honed | Seal Brand | For Japan NOK And US SKF |
Seal Material | PU | Testing | 100% Pressure Testing Before Delivery |
Factory Direct Supply | Yes | Pn1 | 21W-63-56840 21W-63-56541 21X-63-X2111 |
Pn2 | 707-01-XN100 707-01-XN110 707-01-XN520 | Pn3 | 707-01-XN510 707-01-XN600 707-01-XU090 |
Highlight | SY485 Hydraulic Arm Cylinder,SY485 Excavator Stick Cylinder,OEM Excavator Stick Cylinder |
OEM SY485 Arm Cylinder Excavator Hydraulic Excavator Stick Cylinder
Product Description
Product Name |
Excavator Arm Hydraulic Cylinder |
Model |
SY485 |
Application |
For Sany SY485 Excavator |
Temperature Range |
-20-80°C |
Pressure Range | 21 MPa to 35 MPa |
OEM |
Yes |
Shipping Address |
Guangzhou,China |
Features
1.Perfect Fit for SANY SY485
- OEM Standard Compatibility – Engineered to match the original specifications of SANY SY485 for seamless installation.
- Enhanced Structural Strength – Built to withstand heavy-duty excavation tasks with minimal wear.
2.Advanced Material & Manufacturing
- Cylinder Rod – High-frequency surface hardened to HRC 55, plus hard chromium plating for superior wear resistance.
- Cylinder Tube – Made from 25Mn steel, offering excellent anti-wear and impact resistance.
- Cylinder Heads – Constructed from high-strength hardened steel for extended lifespan.
- Sealing System – Equipped with imported Japan NOK and US SKF seals, ensuring a hydraulic oil leakage rate below 1%.
- Automatic Welding – Delivers stronger, smoother welds, eliminating weaknesses found in manual welding.
3.Technical Support & After-Sales Service
- Professional Consultation – Our experts assist with model selection, installation guidance, and troubleshooting.
- Fast Delivery & Spare Parts Supply – Minimizing downtime and ensuring uninterrupted operations.
- Warranty & Quality Assurance – Rigorous 100% quality inspection before shipment for guaranteed reliability.
4.Common User Pain Points Solved:
a.Leakage issues? Our premium seals and precise machining keep hydraulic oil leakage under 1%.
b. Frequent wear & tear? Reinforced materials extend service life, reducing maintenance costs.
c.Slow response from suppliers? Our professional team ensures fast after-sales service and technical support.
For SANY SY485 excavator owners, this hydraulic arm cylinder is the ultimate choice for long-lasting, efficient performance. Contact us today for a quote!
Product Display
Company Information
GuangZhou GuoLi Engineering Machinery Co., Ltd., with over 16 years of experience in excavator hydraulic cylinders, is a foreign trade company specializing in a wide range of products, including crawler excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, cylinder rods, custom hydraulic cylinders, seal kits, hydraulic pumps, and electric parts, all designed for various excavator models. Our products have been exported to over 100 countries and regions worldwide.
Factory Tour
Our main product, excavator cylinders, is produced through a complete hydraulic cylinder production line, from design to manufacturing. With over ten years of experience, we’ve upgraded our offerings to multi-stage hydraulic cylinders. We focus on cylinder customization and produce a variety of domestic and imported excavator cylinders. Using advanced CNC lathes, grinders, and assembly equipment, we strictly follow ISO quality standards throughout production.
Piston Rod Production Process
Automatic Welding Process
Finished Product Warehouse Display
Exhibition Showcase
Our Presence at Major Exhibitions: 2023 Malaysia & 2024 Shanghai Bauma
Exhibition With Cooperated Clients
Certificates
Certification