Guangzhou Qichao Machinery Parts Co., Ltd.
| Compatible Equipment | E312B,E320B,E320C,E320D,E325B,E330B |
| Application | Excavator Main Pump Displacement Control |
| MOQ Support | 1 Piece Sample Acceptable For On-site Machine Compatibility Test |
| Supply Ability | 1000PCS/MONTH |
| Payment Terms | T/T |
| Packaging Details | Neutral Packing/Branded Packaging |
| OE Part Number | 121-1490 |
| Warranty | 6 Months |
| Place of Origin | China |
| Model Number | E320B E320D |
| Brand Name | ZVEZDA |
View Detail Information
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Product Specification
| Compatible Equipment | E312B,E320B,E320C,E320D,E325B,E330B | Application | Excavator Main Pump Displacement Control |
| MOQ Support | 1 Piece Sample Acceptable For On-site Machine Compatibility Test | Supply Ability | 1000PCS/MONTH |
| Payment Terms | T/T | Packaging Details | Neutral Packing/Branded Packaging |
| OE Part Number | 121-1490 | Warranty | 6 Months |
| Place of Origin | China | Model Number | E320B E320D |
| Brand Name | ZVEZDA | ||
| High Light | 24v excavator solenoid valve ，24v hydraulic solenoid valve ，excavator hydraulic solenoid valve | ||
It is the core proportional pressure regulating component of excavator swing brake system. It receives ECU PWM proportional signal to output linear control hydraulic pressure, adjust swing brake release oil supply, realize stepless smooth rotation and stable parking brake during rock loading and site positioning operation, avoid sudden swing slipping or rigid brake locking.
| Specification | Detailed Information |
|---|---|
| Brand | ZVEZDA |
| Full Product Name | E320B E320C E320D Excavator 24V Swing Brake Proportional Solenoid Valve 121-1490 (1211490 / KWE5K-31/G24YA30) |
| OEM Part Number | 121-1490 / 1211490 / KWE5K-31/G24YA30 |
| Compatible Machine | E320B, E320C, E320D Medium Hydraulic Excavator |
| Matched Component | Main Multi-way Control Valve Swing Brake Regulator |
| Rated Voltage | DC24V |
| Condition | 100% Brand New Aftermarket OEM Equivalent Complete Assembly |
| Origin | Guangdong, China |
| Core Material | Full Ion Nitride Hardened Multi-groove Alloy Spool + Low Loss Pure Copper Electromagnetic Coil |
| Wiring Connector | Yellow Mark 2-Pin Fully Sealed Waterproof Plug |
| Installation Position | Excavator Multi-way Valve Flange Mounted Swing Brake Proportional Valve |
| Shipment Lead Time | Dispatched within 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-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 |
| 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 |
| No. | Question | Standard Answer |
|---|---|---|
| Q1 | Which excavators match 24V swing brake proportional solenoid valve 121-1490 KWE5K-31/G24YA30? | This flange-mounted rotary brake proportional valve fits E320B, E320C, E320D medium excavators equipped with standard multi-way hydraulic valve block. |
| Q2 | What core function does this solenoid realize? | It controls the swing brake release pressure, adjusts rotary freedom proportionally, balances flexible rotation and reliable parking brake according to working conditions. |
| Q3 | What abnormal rotary faults will occur when this solenoid fails? | Swing cannot rotate freely, brake cannot release completely, rotary slipping during operation, obvious swing jitter and continuous high hydraulic oil temperature. |
| Q4 | Is full disassembly of the multi-way valve required during replacement? | No, external flange fixed design; only remove four fixing bolts and disconnect the wire plug, no need to split the internal main valve body. |
| Q5 | What wear-resistant and high-temperature resistant process prolong service life? | The whole spool undergoes ion nitriding hardening treatment, matched double HNBR high temperature oil-resistant sealing rings and fully sealed two-pin waterproof plug to resist long-term oil mist and vibration. |
| Q6 | Are 121-1490 and 1211490 interchangeable part numbers? | Yes, the two codes are cross reference spare part numbers, corresponding to the same complete swing brake proportional solenoid assembly and can be replaced mutually. |
| Q7 | How to quickly detect coil damage before installation? | Use a multimeter to measure coil resistance, normal range 14–14.8 ohms; infinite resistance means 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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