Products Description

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Product name	Controller
Product number	21Q6-32390 21Q6-32370
Excavator number	R220LC-9S R225LC-9T
Lead time	1-3 days after payment
Packing	neutral/original
MOQ	1 PC
Quality	high quality
Warranty	3-6 months
Shipping	DHL, UPS, FedEx, Air, Sea, DDP
Payment	TT/Alibaba Trade Assurance/Credit card/Western Union/Alipay/Wechat

Custom Notebook Solutions

The 21Q6-32390 / 21Q6-32370 Hydraulic Valve Group is the "hydraulic system control center" for Hyundai R210-7/R210LC-7 excavators. It regulates the pressure, flow and direction of hydraulic oil, accurately controlling the start, stop and speed of boom, arm, swing and other actions to ensure flexible and smooth operation of the whole machine.

Manufactured by Guangzhou Sansan Machinery Equipment Co., Ltd., it adopts high-strength alloy valve body and precision valve core, undergoing CNC machining and high-pressure sealing testing. It can adapt to high-pressure loads under complex working conditions of construction machinery, effectively solving problems such as jamming, leakage and inaccurate pressure control of traditional valve groups, providing stable and reliable hydraulic control support for efficient excavator operations.

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r220lc-9s R225LC-9T 21Q6-32390 21Q6-32370 Controller 2jpg

Core Features	Benefits
OEM-Compliant for Hyundai R210-7/R210LC-7	Direct replacement without modification, saving installation time and reducing adaptation risks
Pressure Control Accuracy ≤±0.5MPa	Precise regulation of hydraulic actions, ensuring smooth operation without jitter
High-Strength Alloy Valve Body + Hardened Valve Core	Resistance to wear, impact and deformation, extending service life by 2x vs ordinary valve groups
Premium Seals + High-Pressure Leak-Proof Testing	Zero hydraulic oil leakage, reducing maintenance costs and avoiding work interruptions
100% Action Simulation & High-Pressure Testing	Stable performance under complex working conditions, no potential faults