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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.
4665305 4665304 Boom Hydraulic Cylinder for Hitachi ZX450-3 ZX480 Excavator Parts

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xPart Name | Excavator Boom Hydraulic Cylinder | Machine Model | PC220 PC360 PC300 |
---|---|---|---|
Part Number | 4665305 4665304 | Usage | Excavator , Construction Machinery |
Excavator Brand | Hitachi | OEM | YES |
4665305 4665304 Boom Hydraulic Cylinder for Hitachi ZX450-3 ZX480 Excavator Parts
Specification
Product Name | Boom Hydraulic Cylinder |
Excavator Model | ZX450-3 ZX480 |
Part Number | 4665305 4665304 |
Cylinder Type | Boom Cylinder |
Sealing Brand | NOK (Japan) / SKF (USA) |
Rod Material | 45Mn Steel |
Tube Material | 25Mn / ST52 Honed Tube |
Surface Hardness | HRC 50–55 |
Rod Coating | Hard Chrome (20–30μm) |
Surface Roughness | Ra ≤ 0.2μm |
Paint Finish | Custom color / Yellow |
Company Profile
1. Specialization: Focused on excavator hydraulic system parts manufacturing
2. Main Products: Hydraulic cylinders, pumps, control valves, motors, seal kits, engine parts, electrical components, and more
3. Core Strength: In-house production with full OEM & ODM customization support
4. Industry Experience: Over 16 years of expertise in hydraulic cylinder manufacturing
5. Technical Support: Skilled R&D team offering complete hydraulic solutions