Guangzhou Qichao Machinery Parts Co., Ltd.
| Compatible Equipment | 336GC,340GC,345GC,349GC,352GC |
| Application | Excavator Main Hydraulic Pump Displacement & Flow Control |
| MOQ Support | 1 Piece Sample Order Acceptable For On-site Mine Compatibility Test |
| Supply Ability | 1000PCS/MONTH |
| Payment Terms | T/T |
| Production Base | Guangdong Province, China |
| Packaging Details | Neutral Packing/Branded Packaging |
| OE Part Number | 491-0908 |
| Warranty | 6 Months |
| Place of Origin | China |
| Model Number | 336GC 349GC |
| Brand Name | ZVEZDA |
View Detail Information
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Product Specification
| Compatible Equipment | 336GC,340GC,345GC,349GC,352GC | Application | Excavator Main Hydraulic Pump Displacement & Flow Control |
| MOQ Support | 1 Piece Sample Order Acceptable For On-site Mine Compatibility Test | Supply Ability | 1000PCS/MONTH |
| Payment Terms | T/T | Production Base | Guangdong Province, China |
| Packaging Details | Neutral Packing/Branded Packaging | OE Part Number | 491-0908 |
| Warranty | 6 Months | Place of Origin | China |
| Model Number | 336GC 349GC | Brand Name | ZVEZDA |
| High Light | hydraulic excavator solenoid valve ，cartridge excavator solenoid valve ，cartridge hydraulic solenoid valve | ||
High-strength integrated screw-in cartridge structure, nitriding hardened ultra-smooth alloy spool and low-drift pure copper coil, heavy-duty oil-resistant multi-core wire with black square sealed plug, stable proportional signal under long high-load mining vibration.
| Specification | Detailed Information |
|---|---|
| Full Product Name | 336GC 349GC Large Excavator Main Pump Power Matching Cartridge Proportional Solenoid Valve Assembly |
| OEM OE Number | 491-0908 / 4910908 |
| Compatible Machine | 336GC, 349GC Large Mining Excavator |
| Condition | 100% Brand New Aftermarket OEM Equivalent Spare Parts |
| Origin | Guangdong, China |
| Core Material | Nitride Hardened Alloy Cartridge Core + Low Signal Drift Pure Copper Coil |
| Working Voltage | DC24V Standard Construction Machinery Voltage |
| Wiring Design | Heavy-duty Oil-resistant Multi-core Harness + Black Square 2-Pin 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 |
| Komatsu Parts | JCB Parts | Other Brand Parts |
|---|---|---|
| 20Y-43-41780 | 331/30884 | 4520781 |
| 22U-06-22420 | 331/30885 | 4581230 |
| 22U-06-22380 | 331/30886 | 4601592 |
| 782-5301-301 | 701/80284 | 4632710 |
| 782-5301-302 | 701/80285 | 4678921 |
| 7824-30-1600 | 11S-49 | 4756890 |
| 7825-30-1301 | 60117463 | 4721563 |
| 7825-30-1302 | 60117463LM | 4739125 |
| 7861-92-4130 | 60117464 | 4772106 |
| 7861-92-4131 | 60117465 | 4789321 |
| 20Y-43-41781 | YQ05.251.046 | 4801234 |
| 20Y-43-41782 | YQ05.251.047 | 106-0107 |
| 22U-06-22390 | YQ05.251.048 | 106-0108 |
| 22U-06-22400 | YN20S00002F3 | 106-0109 |
| 7821-30-1500 | YN20S00002F4 | 165-9569 |
| 7822-30-1200 | YN20S00002F5 | 206-3305 |
| 7823-30-1400 | LQ50S00001P1 | 134-0649 |
| 7826-30-1100 | LQ50S00001P2 | 144-6670 |
| 7827-30-1000 | 8-98074-566-0 | 152-8973 |
| 7828-30-0900 | 8-98074-567-0 | 171-2540 |
| 7829-30-0800 | 4812369 | 183-4216 |
| 20Y-43-41790 | 256-7891 | 191-6527 |
| 20Y-43-41800 | 300661-00004A | 212-7890 |
| 22U-06-22410 | 21Q6-20820 | 223-1456 |
| 22U-06-22430 | K1013849 | 234-9871 |
| 4705919 | 332/G0912 | 245-3690 |
| 4341545 | 60117466 | 4542152 |
| 4614910 | YQ05.251.049 | 4659775 |
| 4468335 | YN20S00003F1 | 4669841 |
| 4656205 | 7820-30-1700 | 4371651 |
| 4716708 | 4791230 | 4482963 |
| 702-21-60900 | SA-4761-12 | 153-6409 |
| 1751ES-12A6UC4B3S1 | 256-7891 | 214-5427 |
| 708-2H-25240 | 300661-00004A | 222-1399 |
| 714-23-15520 | 21Q6-20820 | 0419-9902 |
| 203-60-56180 | K1013849 | 0419-9903 |
| 419-15-16910 | 332/G0912 | 223-8181 |
| 714-11-16830 | 60117466 | 224-2092 |
| 206-60-51130 | YQ05.251.049 | 225-0300 |
| 225-4558 | YN20S00003F1 | 253-3809 |
| 264-3114 | 7820-30-1700 | 231-8194 |
| 241-7668 | 4791230 | 198-6528 |
| 201-0950 | 328-4314 | |
| 403-0363 | 384-3892 | |
| 375-4414-02 | 485-5747 | |
| 485-9850-03 | 375-4414-02 | |
| 491-0908 | 485-9850-03 |
| No. | Question | Standard Answer |
|---|---|---|
| Q1 | Which large excavator models adopt proportional cartridge solenoid 491-0908? | This power matching proportional screw-in solenoid is exclusively produced for 336GC and 349GC large mining excavator hydraulic pump regulator manifold block. |
| Q2 | What unique power matching function does this valve realize? | It dynamically adjusts main pump flow output according to engine load to prevent engine stall during heavy rock excavation and optimize power utilization. |
| Q3 | What abnormal machine performance will appear if the original solenoid fails? | Frequent engine stall under heavy load, weak rock digging force, delayed boom action and continuous high hydraulic oil temperature. |
| Q4 | Do users need to fully disassemble the hydraulic main pump to replace this cartridge valve? | No independent screw-in cartridge design allows single-piece quick replacement without splitting the whole pump assembly. |
| Q5 | What anti-interference design ensures stable signal in harsh mine environment? | Thickened multi-core oil-resistant wire and fully sealed square plug effectively resist long-term vibration, dust and high temperature interference. |
| Q6 | Is single sample available for field hydraulic performance test before bulk purchase? | Yes, single-piece sample order is supported to verify fitting and power matching 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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