The YNF17144 XB00004106 Solenoid Valve is a high-quality replacement for Hitachi ZX55 excavators, designed to control the swing motor (rotational system) with precision. This valve converts electrical signals into hydraulic flow control, ensuring smooth and accurate rotation of the upper structure. Built with durable materials and precision components, it provides reliable performance under heavy-duty conditions, vibration, and high hydraulic pressure.

• Direct replacement for OEM XB00004106

• Controls the swing motor of Hitachi ZX55 excavators

• Precise hydraulic flow control for smooth rotation

• Durable construction for long service life

• Resistant to high pressure, vibration, and heat

• Fast response time for accurate hydraulic operation

• OEM-compatible connectors for easy installation

• Ensures stable and reliable swing system performance

Used in the swing (rotational) hydraulic system of Hitachi ZX55 excavators to control upper structure rotation with precision and stability.

We provide installation guidance, troubleshooting assistance, compatibility verification, and technical support to ensure correct operation.

Each solenoid valve is securely packed with protective padding and shipped using reliable carriers with tracking information.

1. What is the function of the YNF17144 solenoid valve?
It controls hydraulic flow to the swing motor, enabling precise and smooth rotation of the excavator’s upper structure.

2. Which excavator model is it compatible with?
It is designed for Hitachi ZX55 excavators. OEM XB00004106.

3. Is this a direct replacement for the original part?
Yes, it matches OEM specifications for fit, connectors, and performance.

4. How can I tell if the solenoid valve needs replacement?
Symptoms include slow or jerky swing movement, hydraulic leaks, abnormal noises, or error codes.

5. Is installation difficult?
No. It uses OEM-style connectors for straightforward installation.

6. Can this valve handle high-pressure hydraulic systems?
Yes. It is designed for the hydraulic pressure requirements of the swing system.

7. Will replacing this solenoid valve improve swing performance?
Yes. It ensures smooth, stable, and responsive upper structure rotation.

8. Can it be used for other Hitachi models?
Compatibility depends on the OEM part number. Confirm your model before installation.