Guangzhou Qichao Machinery Parts Co., Ltd.
| Compatible Equipment | 345GC,349GC,352GC,374GC,395GC |
| Application | Excavator Main Hydraulic Pump Displacement & Flow Control |
| Packaging Details | Neutral Packing/Branded Packaging |
| Shipment Lead Time | Dispatched within 1–7 working days after payment confirmation |
| Supply Ability | 1000PCS/MONTH |
| Payment Terms | T/T |
| OE Part Number | 553-5204 |
| Warranty | 6 Months |
| Place of Origin | China |
| Model Number | 349GC 395GC |
| Brand Name | ZVEZDA |
View Detail Information
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Product Specification
| Compatible Equipment | 345GC,349GC,352GC,374GC,395GC | Application | Excavator Main Hydraulic Pump Displacement & Flow Control |
| Packaging Details | Neutral Packing/Branded Packaging | Shipment Lead Time | Dispatched within 1–7 working days after payment confirmation |
| Supply Ability | 1000PCS/MONTH | Payment Terms | T/T |
| OE Part Number | 553-5204 | Warranty | 6 Months |
| Place of Origin | China | Model Number | 349GC 395GC |
| Brand Name | ZVEZDA | ||
| High Light | proportional excavator solenoid valve ，proportional hydraulic solenoid valve ，cartridge excavator solenoid valve | ||
| Specification | Detailed Information |
|---|---|
| Full Product Name | 349GC 395GC Large Mining Excavator Main Pump Power Matching Flange Proportional Solenoid Valve Assembly |
| OEM OE Number | 553-5204 / 5535204 |
| Compatible Machine | 349GC, 395GC Large Mining Excavator |
| Condition | 100% Brand New Aftermarket OEM Equivalent Spare Parts |
| Origin | Guangdong, China |
| Core Material | Nitride Hardened Alloy Flange Cartridge Core + Low Drift Pure Copper Electromagnetic Coil |
| Working Voltage | DC24V Standard Construction Machinery Voltage |
| Wiring Design | Thickened High Temp Oil-resistant Multi-core Harness + Yellow-Black 2-Pin Fully Sealed Waterproof Plug |
| Installation Position | Excavator Hydraulic Main Pump Regulator Manifold Block |
| Shipment Lead Time | Dispatched within 1–7 working days after payment confirmation |
| Outer Packaging | Neutral Export Carton + Shockproof EPE Foam Inner Liner |
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| A82230000321 | LH4100100130 | 4257163 | 7834-41-2000 |
| No. | Question | Standard Answer |
|---|---|---|
| Q1 | Which large mining excavators apply proportional solenoid valve 553-5204? | This flange power matching proportional solenoid is specially produced for 349GC and 395GC large mining excavator hydraulic pump regulator manifold block. |
| Q2 | What energy-saving power matching function does this valve realize? | It real-time adjusts main pump hydraulic output according to engine load, balance power supply and eliminate engine stall during rock breaking and heavy material loading. |
| Q3 | What abnormal operating conditions will appear if the original solenoid fails? | Frequent engine stall under heavy rock digging, weak breakout force, delayed boom and stick action, sustained high hydraulic oil temperature. |
| Q4 | Is complete disassembly of hydraulic main pump required to replace this flange solenoid? | No, external flange bolt fixing design allows single-piece quick replacement without splitting the whole pump assembly. |
| Q5 | What anti-interference design guarantees stable signal in harsh mine environment? | Thickened multi-core high-temperature oil-resistant wire and fully sealed two-pin plug resist long-term vibration, dust and high heat interference. |
| Q6 | Can single sample be supplied for field hydraulic performance test before bulk purchase? | Yes, single-piece sample order is supported to check fitting condition and power regulation control effect on mining excavator on site. |
Company Details
Business Type:
Manufacturer
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Guangzhou Qichao Machinery Co., Ltd. Premier Factory Specializing in R&D & Production of Excavator Electrical Spare Parts Based in Zhuji International Machinery City,Tianhe District,Guanazhou. Our full product lineup covers solenoid valves, sensors, throttle motors, controllers flameout swi... Guangzhou Qichao Machinery Co., Ltd. Premier Factory Specializing in R&D & Production of Excavator Electrical Spare Parts Based in Zhuji International Machinery City,Tianhe District,Guanazhou. Our full product lineup covers solenoid valves, sensors, throttle motors, controllers flameout swi...
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