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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.
4639441 4646776 Hydraulic Arm Cylinder Assy for ZX330 ZX330-3 ZX350 ZX360 Excavator Parts

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xProduct Name | Hydraulic Arm Cylinder On Excavator | Excavator Model | ZX330 ZX330-3 ZX350 ZX360 |
---|---|---|---|
Part Number | 4639441 4646776 | Excavator Brand | Hitachi Excavator |
Warranty | 12 Months | OEM | YES |
Highlight | 4639441 Hydraulic Arm Cylinder Assy,4646776 Hydraulic Arm Cylinder Assy,Hydraulic Arm Cylinder Assy for ZX330 |
4639441 4646776 Hydraulic Arm Cylinder Assy for ZX330 ZX330-3 ZX350 ZX360 Excavator Parts
Specification
Product Name | Hitachi Hydraulic Arm Cylinder |
Machine Model | ZX330 ZX330-3 ZX350 ZX360 |
Part Number | 4639441 4646776 |
Cylinder Type | Arm Cylinder |
Sealing Brand | NOK (Japan) / SKF (USA) |
Rod Material | 45Mn Steel |
Tube Material | 25Mn / ST52 Honed Tube |
What We Do
We make hydraulic cylinders for small, medium, and large excavators.
1. Our factory is 6,800㎡ with modern workshops.
2. We use CNC machines, automatic welding, heat treatment, and testing equipment.
3. Custom orders are welcome — based on drawings, samples, or design improvements.
4. We ship by sea, air, or international express.
5. Compatible with major brands like CAT, Komatsu, Hyundai, Volvo, Hitachi, SANY, and Kobelco ,etc.
6. Certified with ISO 9001:2015 quality system.