The YNF15544 solenoid valve is a high-quality replacement designed for the Komatsu PC130-7 excavator. As a key component of the main hydraulic pump control system, this solenoid ensures accurate regulating of hydraulic pressure and flow, helping maintain smooth machine performance and responsive operation.
Manufactured with durable materials and precise internal components, this valve delivers reliable switching performance even under high pressure and continuous operation. It is fully compatible with OEM part 702-21-07311.

• Direct-fit replacement for 702-21-07311

• Designed for Komatsu PC130-7 main pump control

• Ensures precise hydraulic pressure regulation

• Fast response time and stable operation

• High-strength construction resists heat, pressure, and vibration

• Long service life with consistent performance

• Simple installation with OEM-matching connectors

Used in the main hydraulic pump of Komatsu PC130-7 excavators to control hydraulic flow and pressure, supporting stable machine operation and efficient hydraulic performance.

We provide technical guidance, troubleshooting assistance, installation support, and compatibility verification for all hydraulic components.

Each solenoid valve is securely packed with shock-absorbing materials and shipped with full tracking through reliable logistics channels.

1. What does the YNF15544 solenoid valve do in the PC130-7?
It regulates hydraulic pressure and controls the main pump’s switching functions to maintain smooth hydraulic operation.

2. Which excavator model is it compatible with?
This valve fits the Komatsu PC130-7 excavator.

3. Is it an OEM-equivalent replacement?
Yes. It replaces OEM part number 702-21-07311 with matching performance and installation fit.

4. Is installation easy?
Yes. The solenoid features OEM-type connectors and can be installed quickly by a technician familiar with hydraulic systems.

5. How can I identify if the solenoid valve has failed?
Signs include slow hydraulic response, pump pressure irregularities, error codes, or inconsistent machine movement.

6. Can it operate under continuous high pressure?
Yes. It is built for demanding hydraulic environments with strong resistance to heat and pressure.

7. Can this valve fit other Komatsu models?
It is mainly for PC130-7. For other models, compatibility should be confirmed by part number.

8. Does replacing the solenoid improve pump performance?
A properly functioning solenoid ensures stable hydraulic output, smoother control, and overall better system efficiency.