Guangzhou Qichao Machinery Parts Co., Ltd.
                                                                                                           
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56D1535220 Hydraulic Fan Control Solenoid Valve 56D-15-35220 For D275A-5 D375A-6

Price Negotiable
Price: Please send mail or Whatsapp
MOQ: 1 Piece
Delivery Time: Negotiable
Brand: ZVEZDA
Product Description
56D1535220 Hydraulic Fan Control Solenoid Valve 56D-15-35220 For D275A-5 D375A-6 Bulldozer Spare Parts

Threaded cartridge integrated compact structure, precision ground hardened alloy spool, low-loss pure copper enameled coil, single-pin fully sealed waterproof plug, solid galvanized anti-rust outer shell, stable switching action without sticking under long-term high-temperature, dusty open construction site conditions.

Product Details
Specification Detailed Information
Brand ZVEZDA
Full Product Name D275A-5 D375A-6 D155A-6 Bulldozer 24V Fan Clutch Control Solenoid Valve 56D-15-35220 (56D1535220)
OEM Part Number 56D-15-35220 / 56D1535220
Compatible Machine D275A-5, D375A-6, D155A-6, D65PX Series Heavy Bulldozer
Matched System Engine Hydraulic Fan Clutch Cooling Control Circuit
Rated Voltage DC24V
Condition 100% Brand New Aftermarket OEM Equivalent Complete Assembly
Origin Guangdong, China
Core Material Hardened Precision Ground Alloy Spool + Low Loss Pure Copper Electromagnetic Coil
Wiring Connector Single-Pin Fully Sealed Waterproof Plug
Installation Position Bulldozer Fan Hydraulic Pump Threaded Cartridge Valve Hole
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
No.
No. Question Standard Answer
Q1 Which bulldozers match 24V fan clutch solenoid 56D-15-35220? This threaded cartridge cooling control solenoid fits D275A-5, D375A-6, D155A-6, D65PX heavy bulldozer hydraulic fan clutch system.
Q2 How does this solenoid control engine cooling fan speed? It receives ECU temperature signal to switch hydraulic oil circuit, engage or disengage fan clutch, adjust fan rotation speed according to real-time engine coolant temperature.
Q3 What abnormal cooling faults will occur when this solenoid fails? Engine continuous overheating, fan cannot slow down at idle, excessive fuel consumption, unstable hydraulic pressure and abnormal high oil temperature.
Q4 Is full disassembly of the fan hydraulic pump required during replacement? No, it adopts standard threaded cartridge design, only screw out the old valve core and install the new one, pump body disassembly is unnecessary.
Q5 What anti-high temperature design adapts to long-term heavy-duty operation? Hardened wear-resistant spool, double high temperature HNBR sealing rings, galvanized anti-rust shell and fully sealed single-pin plug resist oil mist and continuous high heat.
Q6 Are 56D-15-35220 and 56D1535220 interchangeable? Yes, the two part numbers represent the same complete fan clutch solenoid assembly and can be replaced mutually.
Q7 Can this 24V solenoid be replaced with a 12V coil version? No, coil resistance and electromagnetic thrust differ greatly, mixed voltage models will cause fan control failure or coil burnout.
Q8 How to quickly detect coil damage before installation? Use a multimeter to test resistance, normal range 14–15 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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