Hyundai Pilot Filter Element 31MH-20320

High-precision Hyundai 31MH-20320 Pilot Filter. Ideal for R60-9, R80-9, and R215-9C excavators. Maintain joystick responsiveness and protect your hydraulic control system.

Hyundai 31MH-20320 Pilot Filter | Hydraulic Control Protection

Pilot Filter Element 31MH-20320

High-Precision Safeguard for Hydraulic Control Systems

The Hyundai 31MH-20320 is a high-precision pilot filter element essential for the maintenance and protection of the hydraulic control systems in 9-series excavators. By filtering the pilot line fluid, this component prevents microscopic contaminants from reaching the pilot valves and main control valves, ensuring that your machine maintains responsive, smooth, and predictable joystick operation.


1. Technical Specifications

ParameterDetail
Part Number31MH-20320
Component TypePilot Filter Element
Primary FunctionFilters pilot hydraulic fluid to protect sensitive control valves and actuators
CompatibilityStandard fitment for Hyundai 9-series mid-to-compact excavators

2. Machine Compatibility

Engineered for reliable service in 9-series applications:

  • Hyundai Models: R60-9, R60W-9, R80-9, R215-9C, and other compatible 9-series hydraulic system configurations.

  • System Synergy: A crucial component of the standard 9-series maintenance schedule for sustained precision control.

3. Maintenance & Installation Protocols

  • Service Interval: Standard recommendation is 500 to 1,000 operating hours. Service frequency should be adjusted based on the intensity of the work environment and the cleanliness of the hydraulic fluid.

  • Diagnostic Indicators: Replace immediately if you notice jerky joystick movement, delayed implement response, or if hydraulic control pressure is erratic.

  • Installation Tip: Always clean the pilot filter housing and the surrounding area before service to ensure no contaminants enter the hydraulic circuit. Ensure the O-ring seal is seated properly to prevent leaks.

4. Technical Support & Logistics

  • Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.

  • WhatsApp: +86 13701956981

  • Email: [email protected]

Technical Note: Consistent use of the 31MH-20320 pilot filter is the most cost-effective way to preserve the responsiveness of your hydraulic control system. 

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