Guangzhou Qichao Machinery Parts Co., Ltd.
                                                                                                           
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459/M2874 Transmission Hydraulic Solenoid 25/220804 For 3CX 4CX

Price Negotiable
Price: Please send mail or Whatsapp
MOQ: 1 Piece
Delivery Time: Negotiable
Brand: ZVEZDA
Product Description
459/M2874 Transmission Hydraulic Solenoid 25/220804 For 3CX 4CX

It is the core pressure regulating component of powershift transmission system. It converts ECU electrical signals into stable proportional hydraulic pressure to control gear shift valve spool, realize smooth automatic gear shifting without jerk during loading, digging and road transfer work.

Product Details
Specification Detailed Information
Full Product Name JCB 3CX 4CX Backhoe Loader 24V Powershift Transmission Solenoid Valve Complete Kit With Bracket & Bolt
OEM OE Number 25/220804 / 459/M2874
Compatible Machine JCB 3CX, JCB 4CX Backhoe Loader
Rated Voltage DC24V
Condition 100% Brand New Aftermarket OEM Equivalent Complete Kit
Origin Guangdong, China
Core Material Hardened Alloy Spool + Low Drift Pure Copper Electromagnetic Coil
Supporting Accessories Galvanized Mounting Bracket + High Strength Fixing Bolt
Wiring Design Black Single-row Fully Sealed Waterproof Plug
Installation Position Backhoe Loader Powershift Transmission Valve Cartridge Hole
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 708-2H-25240 25/220804
No. Question Standard Answer
Q1 Which backhoe loader fits transmission solenoid kit 25/220804 24V? This 24V threaded cartridge transmission solenoid complete kit with bracket and bolt is specially manufactured for JCB 3CX and 4CX powershift backhoe loader transmission hydraulic system.
Q2 What shift control function does this solenoid realize for powershift gearbox? It receives ECU drive signal to adjust transmission control pressure, control shift valve spool stroke, realize stepless smooth automatic gear shifting for forward, reverse and speed gears.
Q3 What abnormal transmission faults will occur if this solenoid fails? Hard gear shifting, obvious jerk during shift, transmission slipping under load, unstable driving speed, delayed gear response and continuously high transmission oil temperature.
Q4 Do I need to buy separate bracket and bolt during replacement? No, this product is sold as a full assembly, matched galvanized mounting bracket and fixing bolt are included in the package, ready for direct installation without extra parts purchase.
Q5 What durable design adapts to long-time construction site working conditions? Multi-layer high temperature HNBR sealing rings, integral rust-proof metal valve body, fully sealed waterproof plug, matched galvanized anti-rust bracket, resist long-term hydraulic oil corrosion, vibration and high temperature.
Q6 How to quickly check coil damage before installation? Use multimeter to measure coil resistance, normal range 13–15 ohms; infinite resistance means open circuit, resistance lower than 9 ohms indicates coil 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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