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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! -
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.
4450651 4438245 Bucket Hydraulic Cylinder For Hiatchi Excavator EX1200-5 EX1200-6 Excavator Parts
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xProduct Details
| Product Name | Bucket Hydraulic Cylinder For Hitachi Excavator | Models | EX1200-5 EX1200-6 |
|---|---|---|---|
| Part No | 4450651 4438245 | Delivery Test | 100% Testing |
| Search Queries | EX1200-5 Hydraulic Cylinder,EX1200-6 Bucket Cylinder,4450651,4438245,Excavator Hydraulic Factory | PN1 | 4055055 2010300 4272844 4287115 4287114 4390024 |
| PN2 | 4286399 4482918 4286400 4483219 43102419138785 | PN3 | 4310242 4310244 4310243 4249749 4350424 4249748 4350423 |
| Highlight | EX1200-6 Bucket Hydraulic Cylinder,EX1200-5 Bucket Hydraulic Cylinder,4450651 Excavator Bucket Hydraulic Cylinder |
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Product Description
4450651 4438245 Bucket Hydraulic Cylinder For Hiatchi Excavator EX1200-5 EX1200-6 Excavator Parts
Prouduct Description
| Product Name | Excavator Bucket Hydraulic Cylinder | PN | 4665310 4682480 |
| Model | EX1200-5 EX1200-6 | Warranty | 1 Year |
| Appliaction | EX1200-5 EX1200-6 Excavator for Hitachi | OEM | YES |
| Condition | New | Packing | Wooden Case |
| Promise | We have standardize production process to improved production efficiency, build capacity of 6000pcs cylinder in per month! |
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For the tube:
1.we use 25Mn steel, which is the same as original manufacturer of hydraulic cylinders.
2.The surface is sandblasted ,first, using the paint baking process, spraying primer and drying, and then spraying top paint, 2 layers of paint
For the rod:
1.Piston rod overall conditioning
2.High frequency surface hardening , hardness up to 55.
3.The surface is treated with hard chromium plating.
For the seal:
We use Japan NOK and US SKF imported seals, and the oil leakage rate of the cylinder is controlled below 1%.
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Company Information
GuangZhou GuoLi Engineering Machinery Co., Ltd. has over 16 years of expertise in excavator hydraulic cylinders, serving as a trusted global supplier and manufacturer. We provide a wide range of products, including arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, piston rods, custom hydraulic cylinders, seal kits, hydraulic pumps, and electrical parts—compatible with various excavator models. Exporting to over 100 countries, we are committed to delivering high-quality, durable solutions to meet the needs of our customers worldwide.
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Excavator Hydraulic Cylinder Maintenance Tips
1. Check for Leaks– Regularly inspect hydraulic cylinders for oil leaks around seals and connections to prevent performance issues.
2. Inspect Seals and Rods– Examine seals for wear or damage and keep the piston rods clean to prevent contamination and premature wear.
3. Use High-Quality Hydraulic Oil– Ensure the use of clean, high-grade hydraulic oil and replace filters regularly to maintain smooth operation.
4. Avoid Overloading – Do not exceed the excavator’s rated load capacity to reduce excessive stress on hydraulic cylinders.
5. Monitor Performance– Pay attention to any unusual noises, jerky movements, or slow operation, as these may indicate internal damage or wear.
6. Lubrication and Corrosion Prevention – Apply proper lubrication to moving parts and protect exposed surfaces from rust and corrosion.
7. Schedule Regular Maintenance – Perform routine inspections and servicing to extend the lifespan of hydraulic cylinders and prevent costly repairs.
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