Solve Engine Stalling and Hydraulic Pressure Abnormalities with Precision Engineered Parts
We are a leading Direct Manufacturer and Source Factory providing Foreign Trade Export services for customized engine components.
CAT 320D C6.4 Cylinder Liner Customization
Komatsu PC200-8 6D107 Liner Kit Production
Cummins 6BT 5.9 Engine Cylinder Sleeve
Isuzu 4HK1 Excavator Liner Replacement
The JCB Safety Valve with Part Number 25974602 is an essential component for maintaining peak performance in JCB heavy machinery. Designed as a high-quality Chinese alternative, it effectively addresses issues such as pressure surges, hydraulic leaks, and system failures in excavators.
Heavy Duty Durability: Specifically engineered for high-pressure excavator hydraulic systems.
Precision Fit: Direct replacement for JCB 25974602 ensuring zero modification required during installation.
Enhanced Safety: Prevents hydraulic system over-pressurization to protect expensive pump components.
Cost-Effective Solution: Premium Chinese manufacturing offers OEM quality at a fraction of the cost.
Universal Application: Ideal for construction machinery, mining equipment, and heavy-duty excavators.
| Attribute | Details |
|---|---|
| Model NO. | JCB 25974602 |
| Application | Excavator / Construction Machinery |
| Condition | New (High Quality Aftermarket) |
| Production Capacity | 5000 PCS / Year |
| Origin | China (Source Factory) |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery | DHL, Fedex, EMS, UPS, Air/Sea |
Specializing in Cummins Engine Assembly, Komatsu Spare Parts, Caterpillar Piston Kits, Isuzu Overhaul Gaskets, Kubota Maintenance Parts, Yanmar Diesel Pump, and Weichai Turbochargers.
| Engine Components Category | ||
|---|---|---|
| Liner Kit | Piston | Piston Ring |
| Gasket Kit | Gasket Head | Crankshaft |
| Valve Guide | Nozzle | Bearing |
| Pressure Switch | Flameout Solenoid | Monitor |
| Radiator | Main Valve | Belt |
| Engine Bearing | Cylinder Block | Valve Seat |
| Accelerator Motor | Transmitter | Fan Cooling |
3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170
3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13
3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1
4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40
4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106
QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C, D6D, D6E, D9E, D12D, D7D, D7E
1. Cummins 6BT Piston Ring: Installed on the piston head to seal the combustion chamber. Example: Cummins 6BT Engine.
2. Komatsu PC200 Main Relief Valve: Controls system pressure in the main control valve. Example: Komatsu PC200 Excavator.
3. Caterpillar 320D Injector: Delivers fuel to the cylinder. Example: CAT 320D Excavator.
4. Isuzu 6HK1 Turbocharger: Increases engine air intake. Example: Hitachi ZX330 Excavator (Isuzu Engine).
5. Kubota V2403 Water Pump: Circulates coolant through the block. Example: Kubota KX161 Mini Excavator.
6. Yanmar 4TNV94 Oil Pump: Lubricates internal engine moving parts. Example: Yanmar ViO55 Excavator.
7. Weichai WP10 Crankshaft: Converts linear piston motion to rotation. Example: Shacman Truck (Weichai Engine).
8. Caterpillar C9 Cylinder Head: Seals the top of the cylinders. Example: CAT E336D Excavator.
9. Komatsu D155 Fan Cooling: Regulates engine temperature. Example: Komatsu D155 Bulldozer.
10. Isuzu 4BG1 Glow Plug: Aids cold start heating. Example: JCB JS130 Excavator (Isuzu Engine).
Issue: Excavator Hydraulic Power Loss (Model: JCB JS220)
Diagnosis: Failed safety valve causing internal pressure leakage.
Solution: Replace with JCB Safety Valve 25974602. Clean hydraulic lines and replace hydraulic oil filters to prevent debris from clogging the new valve seat.
Maintenance Tip: Inspect engine oil pump and water pump every 1000 hours. Always use high-quality gasket kits to prevent cylinder head leakage in Caterpillar and Cummins high-performance engines.
Honour Time Machinery Limited, JCB safety valve replacement 25974602, Cummins engine rebuild kit, Komatsu aftermarket cylinder liner, Caterpillar diesel engine parts supplier, Isuzu excavator gasket set, Kubota engine overhaul components, Yanmar fuel injection pump price, Weichai engine spare parts exporter, excavator hydraulic relief valve troubleshooting, heavy equipment engine bearing kit, China engine parts wholesale, construction machinery radiator assembly, crankshaft for Caterpillar C7 engine, piston rings for Cummins QSB6.7, cylinder head for Isuzu 4HK1, turbocharger for Komatsu 6D107, water pump for Yanmar 4TNV98, oil pump for Mitsubishi 6D16, engine valve seat replacement, accelerator motor for Kobelco excavator.
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