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| Specification Category | Technical Specifications |
|---|---|
| Replaces OEM Part Numbers | 25-220990, 25-220804, 459-M2874 |
| COGENG Part Number | CG-JCB-SVK-71 |
| Product Type | Electro-Hydraulic Solenoid Valve Kit |
| Operating Voltage | 12V/24V DC |
| Maximum Operating Pressure | 350 Bar (5,075 PSI) |
| Flow Capacity | 20-40 L/min (5.3-10.6 GPM) |
| Fluid Compatibility | Mineral-based and synthetic hydraulic oils (ISO VG 32-68) |
| Temperature Range | -30°C to 100°C |
| Electrical Protection | IP67 Sealed Connectors |
| Included Components | Complete installation kit with all necessary parts |
| Quality Assurance | 100% Pressure, Performance, and Leak Testing |
| Warranty | 3,000-Hour Warranty |
| Item | Part | Description | QTY |
| 1 | 25-220804 | Solenoid Valve | 1 |
| 25-220990 | Solenoid Valve | 1 | |
| 459-M2874 | Solenoid Valve | 1 | |
| 2 | 25/974640 | Kit-seal solenoid valve | 1 |
| 3 | 25/974641 | Kit-repair coil | 1 |
| 3A | 25/221144 | Nut coil retainer | 1 |
| 4 | 25/974642 | Kit unloader valve assy | 1 |
| Fault phenomenon | Associated parts | Detection and repair solutions |
|---|---|---|
| Hydraulic power sometimes | 25-220990 | 1. Detection coil resistance (16±0.5Ω) 2. Clean the proportional valve armature |
| Unexpected drop in no working device | 25-220804 | 1. Test the valve body for energization and closure 2. Replace the O-ring (P15×2.4mm) |
| Steering response delay >2 seconds | 459-M2874 | 1. Check whether the voltage is ≥11V (12V system) 2. Flush valve core stuck |
Q: Can one COGENG solenoid replace both 459-M2874 and 25-220990?
A: Yes, these three JCB part numbers refer to functionally identical solenoid valves. Our COGENG universal solution is engineered as a direct plug-and-play replacement for all three, ensuring reliable performance across JCB backhoe, telehandler, and loader platforms.
Q: How do I verify this solenoid fits my specific JCB model?
A: Locate the 10-digit part number on your original valve's coil or body. If it matches any of the following: 459-M2874, 25-220990, or 25-220804, this COGENG solution is the correct direct replacement for your machine.
