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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.
E312D Excavator 289-8078 Stick Cylinder 289-7699 Bucket Cylinder 358-2096 Boom Cylinder

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xPart Name | E312D Excavator Hydraulic Cylinder | Model | E312D 312D |
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Part Number | 289-8078 289-7699 358-2096 2898078 2897699 3582096 | Factory Direct | YES |
Brand | Caterpillar | Cylinder Type | BOOM CYLINDER; STICK CYLINDER ; BUCKET CYLINDER |
Acting Way | Double Acting Hydraulic Cylinder | Warranty | One Year |
Highlight | 358-2096 Boom Cylinder,289-7699 Bucket Cylinder,289-8078 Stick Cylinder |
Attribute | Value |
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Part Name | E312D Excavator Hydraulic Cylinder |
Model | E312D 312D |
Part Numbers | 289-8078, 289-7699, 358-2096, 2898078, 2897699, 3582096 |
Factory Direct | Yes |
Brand | Caterpillar |
Cylinder Types | Boom Cylinder, Stick Cylinder, Bucket Cylinder |
Acting Way | Double Acting Hydraulic Cylinder |
Warranty | One Year |
E312D Stick Cylinder: 289-8078, 289-7713, 385-2831, 289-8077, 289-7712
E312D Bucket Cylinder: 289-7699, 289-7698
E312D Boom Cylinder: 358-2096, 289-8070, 289-7707, 385-2828, 289-8069, 289-7706
Seal Type: NOK and SKF
Shipping Time: 5-7 Days
OEM/ODM: Provided
Quality: Original Quality
At GLPARTS, we understand that every excavator operation has unique demands. As a professional hydraulic cylinder manufacturer, we offer tailored cylinder solutions to help you maximize performance and efficiency.
- Customized Dimensions - Built to fit your exact size and stroke requirements
- Color Customization - Match your brand or machinery color specifications
- Design Flexibility - Custom ports, rod ends, mountings, and seal configurations available
- Tailored Packaging - Branded or neutral packaging based on your business needs
- Additional Options - Let us know your special requirements—we'll build it your way

All hydraulic cylinders are carefully packed in reinforced wooden crates, engineered to withstand long-distance transport and rough handling. This ensures your order arrives in perfect condition—undamaged, uncompromised, and ready for immediate use.
