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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.
Hitachi 4326775 4344576 EX310 EX300-2 EX300-3 Bucket Excavator Hydraulic Cylinder

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xProduct Name | SK300 Excavator Hydraulic Bucket Cylinder | Model | EX310 EX300-2 EX300-3 |
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Part PN | 4326775 4344576 | Warranty | 12 Months |
Category | Double Acting Hydraulic Cylinder | Condition | New |
Brand | Glparts | Application | Mechanical Repair Shops, Retail, Construction, Energy, Mining |
Hitachi 4326775 4344576 EX310 EX300-2 EX300-3 Bucket Excavator Hydraulic Cylinder
Part Name | EX300 Excavator Hydraulic Bucket Cylinder |
Model | EX310 EX300-2 EX300-3 |
Part Number | 4326775 4344576 |
Shipping Time | 3-7 Days |
Package Detail | Wooden Case |
Supply Ability | 2000pieces/month |
Warranty | One Year |
EX300 Hydraulic Cylinder
Boom Cylinder: 9124831 9122615 9127653 9123156 9124832 9122616
Arm Cylinder: 9124833 9122617 9127654 9123157
Bucket Cylinder: 9124834 9122618 9127655 9123158 4326775 4344576
Why Choose Glparts
1.With over 10 years of export experience, we’ve served clients in more than 100 countries
2. We offer flexible shipping options and ensure safe packaging for international delivery. Our logistics team handles all export documents to ensure smooth customs clearance
3. We offer 12-month warranty and full after-sales support, including technical consultation and spare parts supply.
Management System and Product Certification
At GLPARTS, we adhere to strict quality standards across every step of production.
-- ISO 9001 Certified – Ensures consistent quality management and manufacturing processes.
-- CE Certified – Guarantees product safety and compliance for international markets.
Applicable for International Famous Brands
Komatsu, Hitachi, Cat, Volvo, Daewoo/Doosan, Hyundai, JCB, Caterpillar, New Holland, John Deer, Kobelco, Case, etc.
List of Spare Parts
Pos. | Part No | Parts name | Pos. | Part No | Parts name |
4326775 | CYL. BUCKET | 16 | 0240807 | RING;SEAL ASSY | |
01-26. | 4344576 | CYL. (PIPELESS) | 17 | 0326005 | RING |
1 | 4344585 | TUBE;CYL. ASSY | 18 | 0254908 | RING |
01A. | 0624401 | TUBE;CYL. | 19 | 0326007 | SHIM |
01B. | 0310513 | BUSHING;PIN | 20 | 0409108 | NUT |
2 | 4344584 | ROD;PISTON ASSY | 21 | 0310612 | SCREW;SET |
02A. | 0624402 | ROD;PISTON | 22 | 0111818 | BALL;STEEL |
02B. | 0310307 | BUSHING;PIN | 23 | J75481 | FITTING;GREASE |
3 | 0624403 | HEAD;CYL. | 24 | 4094086 | SEAL;DUST |
4 | 0310604 | BUSHING | 26 | 4065687 | SEAL;DUST |
5 | 4510494 | RING;RETAINING | 27 | 0624404 | PIPE |
6 | 0225613 | RING | 28 | 0624405 | PIPE |
7 | 0225611 | PACKING;U-RING | 29 | 4509181 | O-RING |
8 | 0225612 | RING;BACK-UP | 30 | M340825 | BOLT;SOCKET |
9 | 0310605 | RING | 31 | 0310616 | HOLDER |
10 | 0409117 | RING;WIPER | 32 | 0259509 | BOLT |
11 | 4059388 | O-RING | 33 | 0208516 | WASHER;SPRING |
12 | 0254905 | RING;BACK-UP | 34 | 0408815 | BOLT |
13 | 0163406 | BOLT;SOCKET | 35 | 0325913 | WASHER |
14 | 0409109 | BRG.;CUSHION | 36 | 0624406 | BAND |
15 | 0326004 | PISTON | 37 | 0326012 | BAND |