Guangzhou Qichao Machinery Parts Co., Ltd.
| Compatible Equipment | Komatsu WA350-1,WA380-1,WA400-1,WA450-1 Wheel Loader |
| Application | Wheel Loader Transmission Gear Shift Control |
| Production Base | Guangdong, China |
| Supply Ability | 1000PCS/MONTH |
| MOQ Support | 1 Piece Sample Acceptable For On-site Machine Compatibility Test |
| Payment Terms | T/T |
| Order Processing Cycle | Normally 1–7 working days once payment received |
| Packaging Details | Neutral Packing/Branded Packaging |
| OE Part Number | 419-15-47221 |
| Warranty | 6 Months |
| Place of Origin | China |
| Model Number | WA350-1 WA450-1 |
| Brand Name | ZVEZDA |
View Detail Information
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Product Specification
| Compatible Equipment | Komatsu WA350-1,WA380-1,WA400-1,WA450-1 Wheel Loader | Application | Wheel Loader Transmission Gear Shift Control |
| Production Base | Guangdong, China | Supply Ability | 1000PCS/MONTH |
| MOQ Support | 1 Piece Sample Acceptable For On-site Machine Compatibility Test | Payment Terms | T/T |
| Order Processing Cycle | Normally 1–7 working days once payment received | Packaging Details | Neutral Packing/Branded Packaging |
| OE Part Number | 419-15-47221 | Warranty | 6 Months |
| Place of Origin | China | Model Number | WA350-1 WA450-1 |
| Brand Name | ZVEZDA | ||
| High Light | WA350 powershift solenoid ，Hydraulic powershift solenoid ，Hydraulic solenoid sk200 8 | ||
It is the core proportional pressure control component of loader automatic powershift transmission system. It converts ECU drive signals into linear proportional hydraulic pressure to adjust shift valve spool stroke, realize smooth jerk-free forward/reverse and speed gear shifting during material loading, stockpiling and road transfer work.
| Specification | Detailed Information |
|---|---|
| Brand | ZVEZDA |
| Full Product Name | Komatsu WA350-1 WA450-1 Wheel Loader 24V Powershift Transmission Proportional Solenoid Valve 419-15-47221 (4191547221) |
| OEM OE Number | 419-15-47221 / 4191547221 |
| Compatible Machine | Komatsu WA350-1, WA450-1, WA400-1 First Generation Wheel Loader |
| Rated Voltage | DC24V |
| Condition | 100% Brand New Aftermarket OEM Equivalent Complete Assembly |
| Origin | Guangdong, China |
| Core Material | Full Nitride Hardened Multi-groove Alloy Spool + Low Drift Pure Copper Electromagnetic Coil |
| Wiring Design | Standard 2-Pin Fully Sealed Waterproof Plug |
| Installation Position | Wheel Loader Powershift Gearbox Flange Mounted Control Valve |
| 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 |
| 708-2H-25240 | 21Q6-20820 | 214-5620 |
| 702-21-07010 | K1013849 | 0419-9902 |
| 702-21-07311 | 332/G0912 | 0419-9903 |
| 702-21-07610 | 60117466 | 223-8181 |
| 702-21-57400 | YQ05.251.049 | 224-2092 |
| 585-9230 | YN20S00003F1 | 225-0300 |
| 627-2304 | 7820-30-1700 | 253-3809 |
| 585-9231 | 4791230 | 231-8194 |
| 702-21-58100 | 403-0363 | 198-6528 |
| 702-21-57500 | 485-5747 | 328-4314 |
| 702-21-60700 | 375-4414-02 | 384-3892 |
| 714-07-16730 | 485-9850-03 | 485-5747 |
| 201-0950 | 485-9850-03 | 491-0908 |
| 25/220804 | 491-0908 | 553-5204 |
| 25/220994 | 25/220804 | 25/220994 |
| 31Q6-20131 | 25/220994 | 31Q6-91220 |
| 31Q6-91220 | 31Q6-20131 | 086-1879 |
| 086-1879 | 31Q6-91220 | 31765-FC000 |
| 31765-FC000 | 086-1879 | 053400-0745 |
| 053400-0745 | 31765-FC000 | 419-15-47221 |
| No. | Question | Standard Answer |
|---|---|---|
| Q1 | Which wheel loaders match transmission solenoid 419-15-47221 24V? | This flange-mounted powershift solenoid fits Komatsu WA350-1, WA450-1, WA400-1 first generation wheel loader gearbox hydraulic control system. |
| Q2 | How does this solenoid control loader automatic shifting? | It receives ECU PWM signal to output proportional hydraulic pressure, pushes internal spool to adjust oil passage opening, realizes smooth stepless shift between forward, reverse and high/low gears. |
| Q3 | What abnormal gearbox symptoms appear when this solenoid fails? | Hard gear engagement, obvious jerk during shifting, transmission slipping under heavy load, unstable driving speed and continuous high gearbox oil temperature. |
| Q4 | Does the whole transmission need to be disassembled during replacement? | No, the valve adopts external flange fixed installation; only remove four fixing bolts and unplug the wiring plug, no need to split internal transmission valve block. |
| Q5 | What wear-resistant process prolongs service life under heavy load? | The whole spool adopts ion nitriding hardening treatment, double HNBR high temperature oil-resistant sealing rings, anti-rust aluminum valve body, resist long-term high pressure oil erosion and frequent vibration. |
| Q6 | What voltage system does this transmission solenoid adapt to? | Standard DC24V, fully matched with the original electrical system of Komatsu 1-series wheel loaders, cannot be interchanged with 12V coils. |
| Q7 | Are there interchangeable part numbers for this solenoid valve? | Yes, the main interchange part numbers are 419-15-47221 and 4191547221, the two numbers correspond to the same complete solenoid assembly. |
| Q8 | How to quickly check coil damage before installation? | Use multimeter to measure coil resistance, normal range 13–16 ohms; infinite resistance means open circuit, resistance lower than 9 ohms indicates internal short circuit and cannot be installed. |
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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