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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.
EX200 EX200-1 Excavator Hydraulic Cylinder For Hitachi Arm Cylinder 4180278

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xProduct Name | Hitachi Excavator Parts Arm Cylinder | Product Alias | Excavator Hydraulic Cylinder |
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Part Number | 418-0278 4180278 | 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 |
Highlight | EX200-1 Excavator Hydraulic Cylinder,EX200-1 Hitachi Arm Cylinder,Hitachi Arm Cylinder 418-0278 |
Model | EX200 EX200-1 |
Temperature Range | -20-80°C |
Pressure Range | 21 MPa to 35 MPa |
Dimensions | Customized |
OEM | Yes |
Service Stage | Details |
---|---|
PreSales Service | Free consultation and technical advice. Customization options for dimensions and performance. |
InSales Service | Fast production and delivery times. Real-time updates on manufacturing and shipment status. |
AfterSales Service | Warranty on manufacturing defects. Technical support for installation and maintenance. Replacement parts available. |
Pos | Part No | Qty | Parts Name | Comments |
---|---|---|---|---|
4180278 | [1] | CYL. ARM | 0312900A | |
1-33 | 4207262 | [1] | CYL. | (PIPELESS) |

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.

Feature | Description |
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Material | Tempered steel |
Surface Treatment | Induction hardened before chrome plating to prevent bending and scratching |
Rust Resistance | Resists rust for over 100 hours in salt spray tests |
Production Process | Produced and electroplated in-house |
Finish | Mirror finish technology |
Give us correct model number /machine serial number /any numbers on the parts itself. Or measure the parts give us dimension or drawing.
High frequency quenching No.40 manganese steel as rod material so the cylinder rod has better bending resistance. No.25 manganese steel as tube material, so the tube has better wear resistance. High-strength hardened steel as rod head and tube head, so the cylinder head and rod head more durable. Name-brand seal kits to reduce the hydraulic cylinder oil leakage rate.