Ramp offers to buy: Arm Hydraulic Cylinder Hyundai R330LC-7 – 31Q9-50130

✅ In stock – order now

📄 Product Description:

OEM-quality arm (boom–stick) hydraulic cylinder, part number 31Q9-50130, engineered for Hyundai R330LC-7 excavators. Designed to deliver high lifting force, smooth extension/retraction, stable pressure control, and long service life under heavy-duty digging and loading operations.

🔧 Compatibility (Applications):

Compatible Hyundai Excavators:

• Hyundai R330LC-7

• Hyundai R330-7

• Other 33-ton Hyundai machines using arm cylinder 31Q9-50130

Function:

• Arm (stick) hydraulic cylinder — controls stick movement for digging, trenching, and loading

🔁 Cross-Reference / Part Numbers:

• 31Q9-50130

• 31Q9-50131

• 31Q9-50132

• Equivalent OEM references

🛠 Specifications:

• Manufacturer: OEM / Hyundai-approved supplier

• Type: Heavy-duty arm hydraulic cylinder

• Bore / Stroke: Built to OEM specs for R330LC-7

• Pressure Rating: High-pressure, robust operation

• Condition: New / replacement

• Included Components:

  • Cylinder barrel

  • Hard-chrome plated rod

  • Piston assembly

  • Head gland

  • Seals & bushings (complete seal kit installed)

• Packaging: Export-grade wooden crate

• Warranty: Manufacturer’s limited warranty

⭐ Key Features:

• Direct bolt-on replacement for Hyundai R330LC-7

• High power for heavy digging and breaking

• Smooth, stable hydraulic performance

• Reinforced rod and barrel for long service life

• Factory-tested to OEM pressure and durability standards