Guangzhou Qichao Machinery Parts Co., Ltd.
| Compatible Equipment | 420D,420E,424D,430D,430E,432D,442D |
| Application | Backhoe Loader Transmission Hydraulic Control |
| MOQ Support | 1 Piece Sample Acceptable For On-site Machine Matching Test |
| Supply Ability | 1000PCS/MONTH |
| Payment Terms | T/T |
| Production Base | Guangdong, China |
| Packaging Details | Neutral Packing/Branded Packaging |
| Warranty | 6 Months |
| OE Part Number: | 185-4254 |
| Place of Origin | China |
| Model Number | 420D |
| Brand Name | ZVEZDA |
View Detail Information
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Product Specification
| Compatible Equipment | 420D,420E,424D,430D,430E,432D,442D | Application | Backhoe Loader Transmission Hydraulic Control |
| MOQ Support | 1 Piece Sample Acceptable For On-site Machine Matching Test | Supply Ability | 1000PCS/MONTH |
| Payment Terms | T/T | Production Base | Guangdong, China |
| Packaging Details | Neutral Packing/Branded Packaging | Warranty | 6 Months |
| OE Part Number: | 185-4254 | Place of Origin | China |
| Model Number | 420D | Brand Name | ZVEZDA |
| High Light | cartridge excavator solenoid valve ，cartridge hydraulic solenoid valve ，hydraulic excavator solenoid valve | ||
It is the core proportional flow adjustment component of backhoe loader hydraulic system. It receives electrical control signal to switch hydraulic oil passage proportionally, adjust combined action flow of bucket and arm, realize smooth digging, lifting and loading composite operation during earthwork and pipeline construction, effectively eliminate hydraulic jitter and unsmooth arm movement.
| Specification | Detailed Information |
|---|---|
| Brand | ZVEZDA |
| Full Product Name | 420D Series Medium Heavy-duty Backhoe Loader 12V Auxiliary Hydraulic Cartridge Solenoid Valve 185-4254 (1854254) |
| OEM Part Number | 185-4254 / 1854254 |
| Compatible Machine | 420D,420E,424D,430D Integrated Backhoe Loader |
| Matched System | Main Multi-way Valve Auxiliary Flow Control Hydraulic Circuit |
| Rated Voltage | DC12V |
| Plug Feature | Black Square 2-Pin Fully Sealed Waterproof Plug |
| Condition | 100% Brand New Aftermarket OEM Equivalent Complete Assembly |
| Origin | Guangdong, China |
| Core Material | Ion Nitride Hardened Precision Multi-groove Alloy Spool + Low Loss Pure Copper Electromagnetic Coil |
| Accessories | Special Metal Installation Clamp Included |
| Installation Position | Backhoe Loader Multi-way Valve Threaded Cartridge Valve Hole |
| Shipment Lead Time | 1–7 working days after payment confirmation |
| Outer Packaging | Neutral Export Carton + Shockproof EPE Foam Inner Liner |
| Series 1 PN | Series 2 PN | Universal Spare Part Numbers |
|---|---|---|
| 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-43-41800 | 300661-00004A | 212-7890 |
| 708-2H-25053 | 21Q6-20820 | 214-5620 |
| 708-2H-25240 | 702-21-07010 | 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 |
| 419-15-47221 | 053400-0745 | KDRDE5K-20/40C04 |
| KDRDE5K-20/40C04 | 419-15-47221 | 31Q6-91720 |
| 31Q6-91720 | KDRDE5K-20/40C04 | 25/220804 |
| 25/220804 | 31Q6-91720 | 25/974628 |
| 25/974628 | 25/220804 | 4I-5674 |
| 4I-5674 | 25/974628 | 096-5945 |
| 096-5945 | 4I-5674 | 111-9916 |
| 111-9916 | 096-5945 | 111-9100 |
| 111-9100 | 111-9916 | 56D-15-35220 |
| 56D-15-35220 | 111-9100 | DRE2K-X5-937-16 |
| DRE2K-X5-937-16 | 56D-15-35220 | 116-3526 |
| 116-3526 | DRE2K-X5-937-16 | 121-1490 |
| 121-1490 | 116-3526 | 121-1491 |
| 121-1491 | 121-1490 | 708-2H-25053 |
| 708-2H-25053 | 121-1491 | 708-2H-25240 |
| 708-2H-25240 | 708-2H-25053 | 198-4607 |
| 198-4607 | 708-2H-25240 | 195-9700 |
| 195-9700 | 198-4607 | 186-1526 |
| 186-1526 | 195-9700 | 129-1525 |
| 129-1525 | 186-1526 | 185-4254 |
| No. | Question | Standard Answer |
|---|---|---|
| Q1 | Which backhoe loaders match 12V cartridge solenoid valve 185-4254 1854254 with black square plug? | This threaded cartridge auxiliary flow control solenoid fits 420D,420E,424D,430D integrated backhoe loader multi-way hydraulic valve system. |
| Q2 | What hydraulic function does this solenoid valve control? | It proportionally adjusts auxiliary hydraulic flow, steplessly controls bucket and arm composite movement speed to realize smooth digging and loading operation. |
| Q3 | What abnormal hydraulic faults will occur when this solenoid fails? | Slow combined movement of bucket and arm, unstable hydraulic pressure, obvious hydraulic jitter during excavation, and continuous abnormal high hydraulic oil temperature. |
| Q4 | Is full disassembly of the multi-way valve block required during replacement? | No, standard threaded cartridge structure, only screw out the old valve core and install the new one, equipped with matching metal clamp for fixed installation, no need to split the main valve housing. |
| Q5 | What anti-wear and high-temperature resistant design prolong service life? | The whole spool adopts ion nitriding hardening treatment, matched double high temperature HNBR oil-resistant sealing rings and fully sealed square two-pin waterproof plug to resist long-term muddy environment and vibration. |
| Q6 | Are 185-4254 and 1854254 interchangeable spare part numbers? | Yes, the two codes correspond to the same complete cartridge solenoid assembly and can be replaced mutually. |
| Q7 | How to quickly test coil integrity before installation? | Use a multimeter to measure coil resistance, normal range 13.5–14.2 ohms; infinite resistance represents open circuit, resistance below 10 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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