Guangzhou Qichao Machinery Parts Co., Ltd.
                                                                                                           
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4I5674 4I-5674 Solenoid Coil For E320 Excavator Main Pump

Price Negotiable
Price: Please send mail or Whatsapp
MOQ: 1 Piece
Delivery Time: Negotiable
Brand: ZVEZDA
Product Description
4I5674 4I-5674 Solenoid Coil For E320 Excavator Main Pump

It is the core electromagnetic driving component of excavator power adjustment system. It receives ECU PWM control signal to generate stable proportional magnetic force, pushes the built-in valve spool to adjust pump swash plate angle, dynamically balances engine power and hydraulic output, effectively avoids engine stall under heavy digging load.

Product Details
Specification Detailed Information
Brand ZVEZDA
Full Product Name CAT E320 E312 E315 Excavator 24V LS Load Sensing Main Pump Proportional Solenoid Coil 4I-5674 (4I5674)
OEM OE Number 4I-5674 / 4I5674
Compatible Machine E320, E312, E315, E320L C-series Hydraulic Excavator
Matched Component Kawasaki Variable Displacement Main Pump Regulator Proportional Valve
Rated Voltage DC24V
Condition 100% Brand New Aftermarket Independent Coil 
Origin Guangdong, China
Winding Material High Purity Low-loss Pure Copper Enameled Wire
Outer Shell Anodized Anti-corrosion Aluminum Shell
Wiring Connector Black 2-Pin Fully Sealed Waterproof Plug
Installation Position Excavator Main Pump Proportional Valve Outer Sleeve Coil
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
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
No. Question Standard Answer
Q1 Which CAT excavator fits 24V main pump coil 4I-5674 4I5674? This LS proportional solenoid coil is specially designed for CAT E320, also compatible with E312, E315, E320L C-series excavators equipped with Kawasaki main pump.
Q2 What is the power matching principle of this solenoid coil? It outputs proportional magnetic force according to ECU signal to adjust pump swash plate angle, balance engine load and hydraulic output, and prevent engine stall during heavy load excavation.
Q3 What machine failures will be caused if this coil burns out? Severe loss of digging power, unstable pump pressure, jitter during operation, slow movement of boom and arm, and continuously rising hydraulic oil temperature.
Q4 Is it necessary to disassemble the entire hydraulic main pump to replace this coil? No, the coil adopts sleeve installation structure; just pull out the old coil directly from the valve core and install the new one, pump disassembly is not required.
Q5 What anti-aging sealing process adapts to harsh pump cabin environment? Multi-layer high-temperature insulation paper + full epoxy encapsulation, anodized anti-rust aluminum shell, fully sealed two-pin waterproof plug, resist long-term oil mist, high temperature and vibration erosion.
Q6 Can this 24V coil be replaced with a 12V coil of the same model? No, the internal resistance and output magnetic force are different, mixing 12V and 24V coils will cause unstable pump pressure or coil burnout, cannot be interchanged.
Q7 How to quickly judge coil damage before installation? Use a multimeter to measure coil resistance, normal range 13–14 ohms; infinite resistance means open circuit, resistance below 10 ohms indicates internal short circuit and cannot be installed.


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Company Guangzhou Qichao Machinery Parts Co., Ltd.
Location 825-827, Zhuji International Machinery City, No.36 Zhuji Road, Tianhe District, Guangzhou, China
Contact Person Sales

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