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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.
400310-00336 400305-00420A Arm Bucket Hydraulic Cylinder for DX300LCA Construction Equipment

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xProduct Name | Excavator Hyrdraulic Cylinder | Models | DX300LCA |
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Part Number | 400310-00336 400305-00420A | Cylinder Type | Hydraulic Double Acting Cylinder |
Application | Excavator Replacement | Adjustment Type | Regulated Type |
Work Type | Straight Trip | Compatible Brand | For Doosan / Daewoo |
Manufacturer | Glparts | Shipping Package | Wooden Case |
PN1 | 400305-00219B 400305-00055 K1006190 K1006191 K1006234 K1006235 400309-00341C | PN2 | 400310-00511A 400309-00343C 400309-00085 400309-00086 |
Highlight | 400310-00336 Arm Bucket Hydraulic Cylinder,400305-00420A Arm Bucket Hydraulic Cylinder,DX300LCA Arm Bucket Hydraulic Cylinder |
400310-00336 400305-00420A Arm Bucket Hydraulic Cylinder for DX300LCA Construction Equipment
Prouduct Description
Arm Cylinder:400310-00336 401107-01050 400305-00004G 420406-00637A
Boom Cylinder:401107-01046 400309-00002C 420402-00207A 400309-000030
Bucket Cylinder: 400305-00420A 401107-01047 400310-00002G 420402-00379 400310-00141C 420402-00380 400310-00145B 400310-00145C 420406-00638 420406-00638A
Part Name |
Hydraulic Cylinder on Excavator |
Part Number | 400310-00336 400305-00420A |
Model | DX300LCA | Warranty | 1 Year |
Appliaction | for Doosan / Daewoo Excavator | OEM | YES |
Condition | Brand New | Packing | Wooden Case or your requirement |
Cylinder dimension confirmation
Before order confirmation, we will verify cylinder size and mounting details with you.
Why Choose Us
Factory + Trade Integration
Direct from manufacturer with flexible export service.
Competitive Pricing
No middlemen—factory prices to cut your cost.
Reliable Quality
High-strength steel, NOK/SKF seals, precision parts for long service life.
OEM Expertise
16+ years of custom manufacturing for global excavator brands.
Tailored Solutions
Send your part number, model, or drawing—we’ll match it accurately.
Trusted Worldwide
Exported to 100+ countries, serving construction and mining industries.
Company Information
With over 16 years of experience in hydraulic cylinder manufacturing, GLPARTS has exported products to more than 100 countries worldwide, including the United States, Germany, Australia, and the Middle East. Backed by a skilled team of engineers and a responsive sales force, we provide comprehensive support—before, during, and after the sale—to ensure your satisfaction every step of the way.
More Cylinder We Can Provide(not more than that)
Desc | Part Name |
arm cylinder | 400305-00219B,400305-00055 |
boom cylinder | K1006190,K1006191,K1006234,K1006235,400309-00341C,400309-00343C,400309-00085,400309-00086 |
bucket cylinder | 400310-00511A |
Delivery & Packaging