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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.
31N8-50139 31N8-60115 31N8-50125 31N8-50115 Boom Arm Bucket Hydraulic Cylinder for R305-7 Excavator

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xProduct Name | Excavator Hydraulic Oil Cylinder Factory | Machine Models | R305-7 R290LC-7A R300LC-7 |
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Number | 31N8-50139 31N8-60115 31N8-50125 31N8-50115 31N850139 31N860115 31N850125 31N850115 | Warranty | 1 Year |
Delivery Time | 3-7 Days | Key Words | Excavator Stick Cylinder,cat Arm Cylinder,boom Cylinder Excavator,bucket Cylinder Excavator,hydraulic Cylinder Assembly |
PN1 | 31N7-60110 31N8-60111 31N8-60115 31N8-50130 31N8-50135 31N8-50136 31N8-50137 31N9-60110 31N9-60111 31NA-60110 | PN2 | 31NB-50240 31Y1-35721 31Y1-35220 9238941 94027236 31N9-50130 31N9-50131 31NA-60111 31Y1-33881 31Y1-33600 |
Highlight | 31N8-50115 Excavator Hydraulic Cylinder,31N8-50125 Excavator Hydraulic Cylinder,R305-7 Excavator Hydraulic Cylinder |
31N8-50139 31N8-60115 31N8-50125 31N8-50115 Boom Arm Bucket Hydraulic Cylinder for R305-7 R290LC-7A R300LC-7
Prouduct Description
Part Name | Excavator Hydraulic Oil Cylinder | Part Number | 31N8-50139 31N8-60115 31N8-50125 31N8-50115 |
Model | R305-7 R290LC-7A R300LC-7 | Warranty | 1 Year |
Appliaction | for Hyundai R305-7 R290LC-7A R300LC-7 Excavator | Customized | YES |
Condition | New | Packing | Wooden Case |
Our Advantage
1.Factory Direct.
2.Fast delivery and competitive pricing guaranteed.
3.Dedicated team providing expert, responsive support.
4.Supply of new, used, OEM, and high-quality China-made parts.
5.Secure packaging options including wooden crates and pallet
Company Information
With 16 years of experience, GLPARTS specializes in manufacturing and supplying excavator parts, including hydraulic cylinders, pumps, control valve,travel motor,final drive,diesel engine,hydraulic cylinder tools and undercarriage components. We export to over 100 countries, covering brands like CAT, Komatsu, Volvo, Hitachi, Hyundai, and more.
FAQ
Q1: New or remanufactured hydraulic cylinders and warranty?
All GLPARTS hydraulic cylinders are brand new and pass strict quality control. Warranty is 6 to 12 months, varying by product and operating conditions.
Q2: Ensuring hydraulic cylinder fits my excavator?
Provide your excavator model, part number, or detailed existing cylinder photos. Our team will check compatibility.
Q3: Typical delivery time?
In-stock items ship in 1–3 days. Custom or out-of-stock orders ship in 7–10 days.
Q4: Accepted payment methods?
We accept T/T (bank transfer), PayPal, Western Union, and L/C.
Q5: Ordering a single unit for testing?
Yes, trial orders, including single-unit purchases, are welcome to evaluate our product quality.
Q6: OEM or customized hydraulic cylinders?
Yes. We offer OEM and ODM services. Share your specs or drawings for a customized solution.
Q7: Types of hydraulic cylinders offered?
We supply arm, boom, and bucket cylinders, suitable for various excavator models and applications.
Customer Evaluation
More Cylinder We Can Provide(not more than that)
Part Number | Machine Model | Product name |
31N7-60110 31N8-60111 31N8-60115 | R290LC-7 Excavator | Bucket Cylinder Assy |
31N8-50130 31N8-50135 31N8-50136 31N8-50137 | R290LC-7 Excavator | Arm Cylinder Assy |
31N9-60110 31N9-60111 | R320 R320LC-7 Excavator | Bucket Cylinder Assy |
31NA-60110 31NA-60111 | R360 R360LC-7 Excavator | Bucket Cylinder Assy |
31Y1-33881 | R430 Excavator | Bucket Cylinder Assy |
31Y1-33600 | R430 Excavator | Arm Cylinder Assy |
31NB-50240 | R450LC-7 Excavator | Arm Cylinder Assy |
31Y1-35721 | R480 Excavator | Bucket Cylinder Assy |
31Y1-35220 | R480 Excavator | Arm Cylinder Assy |
9238941 | R944B Excavator | Bucket Cylinder Assy |
94027236 | R944B Excavator | Arm Cylinder Assy |
31N9-50130 31N9-50131 | R320 R320LC-7 Excavator | Arm Cylinder Assy |