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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.
400309-00640 400309-00641 44000318 Boom Hydraulic Cylinder For DOOSAN S470-5 S470LC-V

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xProduct Name | Boom Hydraulic Cylinder For DOOSAN S470-5 S470LC-V Excavator | Model | S470-5 S470LC-V |
---|---|---|---|
Product Number | 400309-00640 400309-00641 44000318 40030900640 40030900641 | Application For | For Doosan S470-5 S470LC-V Excavator |
OEM | YES | Quality | High Quality |
Shipment Way | DHL, FedEx, UPS, Etc. | Warranty | 1 Year |
PN 1 | 400305-00465 K1011027, K1011028, K1011044 2440-9238G, 2440-9239G K1001340A 440-00016E 440-00411A, 400310-00388 | PN 2 | 400305-00029B K1006192, K1006202, K1006919, K1006920 440-00016A K1001341, K1001340, K1001344 440-00411C, 440-00411B |
400309-00640 400309-00641 44000318 Boom Hydraulic Cylinder For DOOSAN S470-5
Prouduct Description
Hydraulic Boom Cylinder for Doosan S470-5 Excavator
Part Number:400309-00640 400309-00641 44000318 40030900640 40030900641
Part Name |
Boom Hydraulic Cylinder |
Apply for | for Doosan S470-5 S470lc-5 Excavator |
Model | S470-5 S470lc-5 | Warranty | 1 Year |
Part Number | 400309-00640 400309-00641 44000318 40030900640 40030900641 | OEM | YES |
Tube Material | 25 Mn Steel | Seal | NOK and SKF |
Company Profile
With over 16 years of expertise in the excavator parts industry, GLPARTS specializes in manufacturing hydraulic cylinders (arm, boom, bucket) and supplying a full range of excavator components, including hydraulic pumps, control valves, gear pumps, motors, diesel engines, solenoid valves, oil seals, and hydraulic cylinder tools.
We serve clients in more than 100 countries, such as the United States, Australia, Indonesia, and Brazil, earning a strong reputation for reliability and consistent quality. From raw material selection to final testing, we enforce strict quality control to ensure outstanding durability and performance.
Backed by a skilled team and fast delivery capabilities, GLPARTS is committed to providing not just parts, but complete solutions — built to perform, made to last.
Partner Brand
We supply a wide range of excavator parts compatible with major brands including Doosan, Komatsu, Caterpillar, Hyundai, Kobelco, Hitachi, Sumitomo, Volvo, Liugong, and XCMG. Whether for maintenance, replacement, or system upgrades, our parts ensure reliable fit, performance, and durability across various models and applications.
Why Choose US
Feature | Description |
Precision Manufacturing | Advanced CNC machining for tight tolerances and smooth cylinder operation |
Superior Material Selection | Cylinder tubes of high-grade 25Mn steel, hardened alloy steel rods for wear resistance |
Enhanced Surface Treatment | Rods with high-frequency quenching and hard chrome plating for corrosion resistance and durability |
Leak-Proof Sealing | Imported NOK/SKF seals, leakage rate < 1% |
Automated Welding Technology | Fully automatic welding for uniform, high-strength welds, better than manual work |
100% Quality Inspection | Each unit tested for pressure, performance, and finish before shipment |
More Cylinders We Can Provide
Part Number | Description | Model |
400305-00465 | Excavator Arm Cylinder | DX225, DX255LC-5 |
K1011027, K1011028, K1011044 | Excavator Bucket Arm Boom Cylinder | DX255LC |
2440-9238G, 2440-9239G | Excavator Boom Cylinder | DH300L-V |
K1001340A | Excavator Boom Cylinder | DX520LC, DX480LC |
440-00016E, (440-00016) | Excavator Bucket Cylinder | DX500LC-V SOLAR, DX470LC-V |
400305-00029B | Excavator Arm Cylinder | DX350, DX350LC-3 |
K1006192, K1006202, K1006919, K1006920 | Excavator Bucket Arm Boom Cylinder | DX340 |
440-00016A, (440-00016) | Excavator Bucket Arm Boom Cylinder | DX500LC-V SOLAR, DX470LC-V, DX450LC-V |
K1001341, K1001340, K1001344 | Excavator Bucket Arm Boom Cylinder | DX480LC, DX520LC |
440-00411C, 440-00411B, 440-00411A, 400310-00388 | Excavator Bucket Arm Boom Cylinder | DX140, DX160 |