for EX120-5 EX130H-5 4317311 Excavator Hydraulic Boom Cylinder Factory
Prouduct Description
| Product Name | Boom Hydraulic Cylinder | Part Number | 4317311 |
| Model | EX120-5 EX130H-5 | Quality Supply | OEM / ODM |
| Application | For Hitachi Excavator | OEM | YES |
| Lead Time | 3-7 days | Warranty | With 12 months |
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Company Profile
At Glparts, we specialize in precision-engineered hydraulic solutions tailored to your machine’s exact requirements. Whether you're in need of OEM or custom-built cylinders, our team ensures reliable performance and compatibility across various excavator models. Our in-house R&D and engineering staff provide technical support throughout the procurement process, delivering cost-efficient and high-quality components—fast, even for small-volume orders.
Key Points for Hydraulic Cylinder Maintenance
1.Keep Hydraulic Oil Clean
a.Contaminated oil is a major cause of hydraulic failure.
b.Use high-efficiency filters and replace them regularly.
c.Install differential pressure gauges to monitor filter condition.
d.Clean the oil immediately if contamination is detected.
2.Perform Regular Maintenance
a.Inspect the cylinder rod for corrosion, wear, or pitting.
b.Prevent water contamination—it leads to seal damage and failure.
c.Check for misalignment, which causes uneven wear and premature damage.
d.Re-chrome or polish damaged rods; replace if necessary and address root causes.
3.Rotate or Alternate Cylinders
a.Use spare or alternate cylinders to reduce wear and minimize downtime.
b.Service removed cylinders before reuse.
c.Replace seals and inspect for system-wide issues (e.g., excessive varnish from high oil temperature).
4.Maintain Cylinder Accessories
a.Check pivot pins, clevises, and other joints for wear or damage.
b.Worn components can cause misalignment and lead to further damage.
c.Timely replacement of accessories ensures optimal cylinder performance.
Our Team & Exhibition
In 2023, we exhibited at the Malaysia show, and in 2024, we’ll be at Bauma Shanghai. These events allow us to better understand customer needs and provide more customized solutions.
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Package & Shipping
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