| Specification | Detailed Information |
|---|---|
| Full Product Name | 966K Heavy Wheel Loader Transmission Cartridge Hydraulic Solenoid Valve Assembly |
| OEM OE Number | 253-3809 / 2533809 |
| Compatible Machine | 966K Large Heavy Wheel Loader |
| Brand | ZVEZDA |
| Condition | 100% Brand New Aftermarket OEM Equivalent Spare Parts |
| Origin | Guangdong, China |
| Core Material | Alloy Cartridge Valve Core + Pure Copper Electromagnetic Coil |
| Working Voltage | DC24V Standard Construction Machinery Voltage |
| Wiring Design | Wrapped Anti-wear Harness + Integrated Sealed Waterproof Single Plug |
| Installation Position | Wheel Loader Transmission Hydraulic Control Valve Block |
| Shipment Lead Time | Dispatched within 1–7 working days after payment confirmation |
| Outer Packaging | Neutral Export Carton + Shockproof PE Inner Foam |



| 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 |
| 7825-30-1301 | 60117463 | 4721563 |
| 7825-30-1302 | 60117463LM | 4739125 |
| 7824-30-1600 | 11S-49 | 4756890 |
| 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 |
| 22U-06-22410 | 21Q6-20820 | 223-1456 |
| 22U-06-22430 | K1013849 | 234-9871 |
| 4705919 | 332/G0912 | 245-3690 |
| 4341545 | 60117466 | 4542152 |
| 4614910 | YQ05.251.049 | 4659775 |
| 4468335 | YN20S00003F1 | 4669841 |
| 4656205 | 7820-30-1700 | 4371651 |
| 4716708 | 4791230 | 4482963 |
| 702-21-60900 | —— | —— |
| 1751ES-12A6UC4B3S1 | SA-4761-12 | —— |
| 708-2H-25240 | —— | —— |
| 714-11-16840 | —— | —— |
| 714-23-15520 | —— | —— |
| 203-60-56180 | —— | —— |
| 153-6409 | —— | —— |
| 714-11-16830 | —— | —— |
| 214-5427 | —— | —— |
| 222-1399 | —— | —— |
| 0419-9902 | —— | —— |
| 223-8181 | —— | —— |
| 224-2092 | —— | —— |
| 225-0300 | —— | —— |
| 253-3809 | —— | —— |
| No. | Question | Standard Answer |
|---|---|---|
| Q1 | Which construction machine fits cartridge solenoid valve 253-3809? | This transmission shift cartridge solenoid is specially designed for 966K large heavy wheel loader transmission hydraulic control system. |
| Q2 | What is the interchangeable OE short number of this valve assembly? | The cross reference part number is 2533809, two codes stand for the same cartridge solenoid unit. |
| Q3 | Do I need to cut wires or adjust oil pipelines during installation? | No modification required, cartridge outer size, mounting hole and connector fully match original factory standard. |
| Q4 | What common loader transmission faults can this solenoid solve? | It fixes gear slipping, slow shift response, gear impact and transmission oil leakage caused by worn original valve. |
| Q5 | What protection design does the matching wire harness have? | Thick wrapped anti-wear outer sheath and sealed waterproof plug prevent wire breakage and short circuit on muddy construction sites. |
| Q6 | What working voltage does the electromagnetic coil support? | Standard DC24V, matched with universal power supply system of medium and large wheel loaders. |
| Q7 | Will long-term continuous heavy loading cause oil leakage of the cartridge valve? | Precision grinding valve core and multi-layer composite high temp seals greatly reduce leakage risk under long heavy load cycles. |
| Q8 | Is every finished cartridge solenoid fully inspected before delivery? | All finished units pass hydraulic pressure test, coil resistance test and continuous shift aging test before shipment. |
| Q9 | Can I order one single piece sample to test fitting performance on my 966K loader? | Yes, single-piece sample order is supported for model matching and field performance inspection. |