Hyundai R320LC-7 Main Hydraulic Pump – OEM Quality Replacement

The main hydraulic pump is the powerhouse of your Hyundai R320LC-7 excavator.
It drives all major hydraulic functions – digging, lifting, swing, and travel.

When performance starts to drop, you may notice slower hydraulic response, weak digging power, or overheating oil. Replacing your old pump with an OEM-compatible unit ensures maximum reliability and keeps your machine working efficiently.

We offer high-quality replacement hydraulic pumps designed to meet or exceed Hyundai’s original standards.

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✅ OEM Part Numbers for Hyundai R320LC-7 Main Hydraulic Pump

Our pumps are fully compatible with the following verified OEM numbers:

31N9-10010 – Primary OEM reference for R320LC-7 and R320LC-7A

XJBN-00655 – Aftermarket cross-reference for R320LC-7 main pump

K3V180DT-1RER-9C69 – Kawasaki pump model used on R320LC-7 / R335-7 series

If your current pump matches any of these numbers, our replacement unit will fit your Hyundai R320LC-7 perfectly – no modifications required.

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🔧 Why Choose Our Hydraulic Pump?

✅ OEM-compatible fit – direct installation without adaptation

⚙️ Heavy-duty build – premium materials and precision components

💪 Tested performance – meets or exceeds original specifications

🚜 Long service life – built for demanding excavation work

📦 Fast delivery across Europe – minimize downtime

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⚠️ Common Symptoms of Pump Failure

Weak or uneven hydraulic pressure

Slow boom or bucket movement

Hydraulic oil overheating or foaming

Whining or grinding noise near the pump

Replacing the pump early helps prevent further damage to your hydraulic system.

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🚚 Fast Shipping & Expert Support

We keep Hyundai R320LC-7 main hydraulic pumps in stock for same-day or next-day dispatch.
If you’re unsure which pump fits your machine, just share your machine serial number or current OEM number, and our experts will confirm the correct match.