YNF15544 702-21-07311 solenoid valve for PC130-7, offering precise hydraulic pump control and system stability.
Direct replacement for Komatsu 702-21-07311
Ensures accurate main pump flow regulation
High-durability coil and corrosion-resistant valve body
Stable performance under high temperature and vibration
Ideal for distributors and repair shops needing reliable pump control parts
The YNF15544 solenoid valve (702-21-07311) is designed for the Komatsu PC130-7 excavator and plays a critical role in controlling the hydraulic main pump. It converts electronic signals into hydraulic actions, enabling the pump to adjust flow and pressure according to machine working conditions.
Built with a highly durable solenoid coil, precision-machined spool, and corrosion-resistant housing, this main pump solenoid withstands continuous hydraulic pressure, heat, and heavy vibration. It ensures stable pump response, smooth machine movement, and efficient hydraulic output.
Replacing a malfunctioning solenoid valve with YNF15544 helps eliminate slow pump response, overheating, weak hydraulic function, and error codes. YNF provides reliable aftermarket-quality solenoid valves trusted by excavator repair centers, fleet operators, and parts distributors worldwide for their durability, consistency, and competitive pricing.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF15544 |
| OEM Number | 702-21-07311 |
| Product Type | Solenoid Valve / Main Pump Solenoid |
| Machine Model | Komatsu PC130-7 |
| Voltage | 24V |
| Material | Steel body + copper solenoid coil |
| Function | Controls hydraulic main pump pressure & flow |
| Resistance | Heat, oil contamination, vibration, pressure |
| Application | Excavator hydraulic pump control |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Main Pump Control | Adjusts pump pressure and flow electronically |
| Hydraulic System Repair | Replaces faulty main pump solenoid valves |
| Performance Restoration | Improves hydraulic response & stability |
| Aftermarket Distribution | Suitable for wholesalers and repair workshops |
Related Products:
YNF01951 702-21-07610 PC450-8 Solenoid Valve
YNF01152 21EN-32220 Throttle Motor
YNF Hydraulic Pump Parts Series
Excavator Solenoid Valve Assemblies
FAQs:
Q: Does YNF15544 replace OEM 702-21-07311?
A: Yes, it matches OEM fitment and electrical specifications.
Q: What common issues indicate solenoid failure?
A: Slow pump response, weak hydraulics, overheating, or system warnings.
Q: Is calibration required after installation?
A: No calibration needed—plug and play.
The YNF15544 702-21-07311 solenoid valve ensures accurate hydraulic control for Komatsu PC130-7’s main pump, delivering stable performance and long-term reliability. Manufactured with reinforced coil windings and corrosion-resistant valve components, it withstands demanding construction environments. YNF offers strong inventory, competitive pricing, and consistent quality—an excellent choice for parts distributors, equipment fleets, and professional repair workshops. Contact us today for competitive quotations.
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