Guangzhou Qichao Machinery Parts Co., Ltd.
                                                                                                           
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154-3064 Hydraulic Cartridge Solenoid Valve Assembly OE 1543064 Fit 966G

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MOQ: 1 Piece
Delivery Time: Negotiable
Brand: ZVEZDA
Product Description
154-3064 Hydraulic Cartridge Solenoid Valve Assembly OE 1543064 Fit 966G

It is the core proportional power matching component of hydraulic pump system. It receives ECU PWM signal to generate adjustable electromagnetic force, pushes precision multi-groove ion-nitrided hardened spool to change hydraulic pilot flow, adjust main pump swash plate angle in real time, balance engine output power and hydraulic flow, prevent engine stall under heavy load cutting, loading and road leveling operations.

Product Details
SpecificationDetailed Information
BrandZVEZDA
Full Product NameCAT 938G/966G Wheel Loader & 120H/140H/160H Motor Grader 24V Main Pump Load Sensing Cartridge Solenoid Valve 154-3064 (1543064)
OEM Part Number154-3064 / 1543064
Interchange PN142-0350
Compatible Machine938G,966G Wheel Loader; 120H/140H/160H Motor Grader; 824G/980G Loader; E120H/E160K Excavator
Matched SystemVariable Displacement Hydraulic Main Pump Regulator Load Sensing Circuit
Rated VoltageDC24V
Wire & Plug FeatureGreen Wire + Grey Rectangular 2-Pin Fully Sealed Waterproof Plug
Condition100% Brand New Aftermarket OEM Equivalent Complete Valve Assembly
OriginGuangdong, China
Core MaterialIon Nitride Hardened Precision Multi-groove Alloy Spool + Low-loss Pure Copper Electromagnetic Coil
Installation PositionWheel Loader/Motor Grader Hydraulic Main Pump Threaded Cartridge Valve Hole
Shipment Lead Time1–7 working days after payment confirmation
Outer PackagingNeutral Export Carton + Shockproof EPE Foam Inner Liner



Series 1 PNSeries 2 PNUniversal Spare Part Numbers
20Y-43-41780331/308844520781
22U-06-22420331/308854581230
22U-06-22380331/308864601592
782-5301-301701/802844632710
782-5301-302701/802854678921
7824-30-160011S-494756890
7825-30-1301601174634721563
7825-30-130260117463LM4739125
7861-92-4130601174644772106
7861-92-4131601174644789321
20Y-43-41781YQ05.251.0464801234
20Y-43-41800300661-00004A212-7890
708-2H-2505321Q6-20820214-5620
708-2H-25240702-21-070100419-9902
702-21-07311332/G09120419-9903
702-21-0761060117466223-8181
702-21-57400YQ05.251.049224-2092
585-9230YN20S00003F1225-0300
627-23047820-30-1700253-3809
585-92314791230231-8194
702-21-58100403-0363198-6528
702-21-57500485-5747328-4314
702-21-60700375-4414-02384-3892
714-07-16730485-9850-03485-5747
201-0950485-9850-03491-0908
25/220804491-0908553-5204
25/22099425/22080425/220994
31Q6-2013125/22099431Q6-91220
31Q6-9122031Q6-20131086-1879
086-187931Q6-9122031765-FC000
31765-FC000086-1879053400-0745
053400-074531765-FC000419-15-47221
419-15-47221053400-0745KDRDE5K-20/40C04
KDRDE5K-20/40C04419-15-4722131Q6-91720
31Q6-91720KDRDE5K-20/40C0425/220804
25/22080431Q6-9172025/974628
25/97462825/2208044I-5674
4I-567425/974628096-5945
096-59454I-5674111-9916
111-9916096-5945111-9100
111-9100111-991656D-15-35220
56D-15-35220111-9100DRE2K-X5-937-16
DRE2K-X5-937-1656D-15-35220116-3526
116-3526DRE2K-X5-937-16121-1490
121-1490116-3526121-1491
121-1491121-1490708-2H-25053
708-2H-25053121-1491708-2H-25240
708-2H-25240708-2H-25053708-2H-26913
708-2H-26913708-2H-25240198-4607
198-4607708-2H-26913195-9700
195-9700198-4607186-1526
186-1526195-9700154-3064
No.QuestionStandard Answer
Q1Which construction machinery match 24V cartridge proportional solenoid valve 154-3064 1543064 with green wire grey plug?This threaded load sensing solenoid fits CAT 938G/966G wheel loaders, 120H/140H/160H motor graders and E120H/E160K excavators hydraulic main pump regulator system, interchangeable with 142-0350.
Q2What core hydraulic function does this solenoid assembly realize?It proportionally adjusts variable pump swash plate angle according to engine load, dynamically match engine power and hydraulic output to avoid engine stall under heavy load operation.
Q3What abnormal hydraulic faults will be caused by solenoid failure?Insufficient digging/loading force, unstable main pump pressure, slow bucket/arm movement, intermittent equipment power loss, continuous high hydraulic oil temperature.
Q4Is full disassembly of hydraulic main pump required during replacement?No, standard threaded cartridge structure, only screw out the old valve assembly and install the new one into pump valve cavity, no need to split pump housing.
Q5What long-life anti-wear high-temperature resistant design?The whole spool adopts ion nitriding hardening treatment, double HNBR high temperature oil-proof sealing rings, integrated injection molding waterproof plug, withstand long-term high oil temperature, dust and vibration environment.
Q6Are 154-3064, 1543064 and 142-0350 interchangeable spare part numbers?Yes, all three codes correspond to the same complete main pump proportional solenoid assembly and can be replaced mutually without modification.
Q7How to quickly test coil integrity before installation?Use a multimeter to measure coil resistance, normal range 14–15.2 ohms; infinite resistance represents 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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