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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.
393-9241 3939241 For Caterpillar E305.5E E305.5E Excavator Hydraulic Main Control Valve

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xFeatures | Safe And Reliable,Energy Optimization,High-Strength Materials | Product Name | E305.5E E305.5E Excavator Hydraulic Main Control Valve |
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Alternative Number | 393-9241 3939241 CA3939241 | Color Of Parts | Yellow |
Highlight | 3939241 Excavator Hydraulic Main Control Valve,Caterpillar Excavator Hydraulic Main Control Valve,E305.5E Hydraulic Main Control Valve |
393-9241 3939241 For Caterpillar E305.5E E305.5E Excavator Hydraulic Main Control Valve
Prouduct Description
Product Name | Control Valve | PN | 393-9241 3939241 CA3939241 |
Model | E305.5E E305.5E | Lead Time | In Stock |
Appliaction | For Caterpillar Crawler Excavator | OEM | YES |
Warranty | 6 Months | Packing | Wooden Case |
Product Show
Advantage
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High-Strength Materials – Manufactured with premium corrosion-resistant alloys for durability.
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Tailored Valve Solutions – Custom-designed hydraulic valves to meet specific requirements.
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Energy Optimization – Engineered to minimize power loss and increase operational efficiency.
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Safe & Reliable – Integrated safety mechanisms ensure stable performance under extreme conditions.
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Versatile Applications – Suitable for various hydraulic systems and industry needs.
Company Profile
Guangzhou Guoli Engineering Machinery Co., Ltd. is a leading supplier of excavator hydraulic cylinders, specializing in arm, boom, and bucket cylinders. To further support our customers, we also provide hydraulic control valves and essential hydraulic components, ensuring a complete hydraulic solution. With advanced production technology, we guarantee quality, performance, and competitive pricing.
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