ZX210-1 actuators slow, unresponsive or one function completely dead? A worn or contaminated 4398652 main control valve loses spool-to-bore precision, causing metering loss that makes smooth simultaneous operation impossible. RITO's remanufactured control valve assembly restores the spool clearances and port integrity needed for precise, balanced ZX210-1 hydraulic function control.
Item NO.:
4398652-FXOrder(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In Stock4398652-FX Excavator Control Valve Assembly (Remanufactured) for Hitachi ZX210LC-1 and ZX210-1 direct-injection models. The main control valve is the hydraulic brain of the ZX210-1 system; every work function is metered and prioritised through its directional and flow-sharing spools. Remanufactured with new seals, spring-loaded check valves and lapped spool-bore surfaces to restore original metering precision.
| Part Number | 4398652-FX (Remanufactured) |
|---|---|
| Part Name | Excavator Main Control Valve Assembly |
| Compatible Brand | Hitachi |
| Applicable Models | ZX210LC-1, ZX210-1 (DI) Excavator |
| Application | Main hydraulic distributor and flow-sharing control valve for ZX210-1 all-function hydraulic metering |
| Material | Precision-lapped alloy steel spools and valve body, replaced seals and check valves |
| Product Color | Industrial finish |
| Working Temperature | -25°C~+80°C |
| Key Function | Meters and prioritises hydraulic flow to all ZX210-1 work functions under combined-load conditions |
| Condition | Remanufactured to OEM specification (FX grade) |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
All main spools re-lapped to OEM bore clearance specification, restoring the metering precision that determines actuator speed control and flow-sharing balance across combined functions.
All O-ring seals, backup rings and spring-loaded load-check valves replaced with new components, eliminating the internal cross-port leakage that causes actuator drift when controls are released.
Valve body and LS shuttle network configured for ZX210-1 direct-injection model hydraulic circuit layout, ensuring correct LS signal routing and flow-sharing priority.
Remanufactured FX assembly provides OEM-equivalent performance at a fraction of new valve cost, practical for high-value ZX210-1 machines with otherwise good mechanical condition.
FAQ
Q: What causes main control valve failure on ZX210-1?
A: Contaminated hydraulic oil scoring spool surfaces is the primary cause. Secondary causes include operation with a failed hydraulic tank breather, external hose contamination during maintenance and prolonged operation with worn pump bypass that raises oil temperature above specification.
Q: How is 4398652-FX different from ordering a new control valve?
A: The FX remanufactured valve uses the original ZX210-1 valve body, which is the most expensive component. Spools are relapped, seals and check valves are new, and the assembly is pressure-tested before shipping. This provides OEM performance at lower cost than a new valve.
Q: Must I flush the hydraulic system before fitting 4398652-FX?
A: Yes, critical. The debris that caused the original valve failure remains in the circuit. A full hydraulic flush, filter replacement and tank cleaning before installation is mandatory to protect the remanufactured valve.
Q: How to confirm 4398652-FX fits my ZX210-1?
A: Confirm the machine is ZX210-1 or ZX210LC-1 and the existing valve part number is 4398652. Match the hydraulic port count and port sizes. Provide the machine serial number to our team.
Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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