31N9-50130 31N9-50131 Arm Hydraulic Cylinder Assy for Handle R320LC-7 R320LC-7A Excavator

Prouduct Description

Hydraulic Arm Cylinder for Hyundai R320LC-7 R320LC-7A Excavator

Part Number:31N9-50130 31N9-50131 31N950130 31N950131

Company Profile

With over 16 years of expertise in the excavator parts industry, GLPARTS specializes in manufacturing hydraulic cylinders (arm, boom, bucket) and supplying a full range of excavator components, including hydraulic pumps, control valves, gear pumps, motors, diesel engines, solenoid valves, oil seals, and hydraulic cylinder tools.

We serve clients in more than 100 countries, such as the United States, Australia, Indonesia, and Brazil, earning a strong reputation for reliability and consistent quality. From raw material selection to final testing, we enforce strict quality control to ensure outstanding durability and performance.

Backed by a skilled team and fast delivery capabilities, GLPARTS is committed to providing not just parts, but complete solutions — built to perform, made to last.

Why Choose US

Precision Machining: CNC equipment ensures tight tolerances and smooth performance.

Durable Materials: 25Mn steel tubes and hardened alloy rods offer excellent wear resistance.

Advanced Surface Treatment: Rods are quenched and chrome-plated for corrosion protection.

Reliable Sealing: Imported NOK/SKF seals keep leakage under 1%.

Automated Welding: Consistent, high-strength welds ensure long-term durability.

Full Quality Check: Every unit is pressure and performance tested before delivery.

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