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Sinotruk Howo Double H Valve Assembly WG2203250003
| Item name | Double H Valve Assembly | Part No. | WG2203250003 |
| MOQ | 1 PC | Delivery time | 3-7 working days |
| Warranty | 6 months | Payment method | T/T, Western Union, Alipay, etc. |
| Services | 24 Hours Online | Port | Shanghai, Qingdao, Shenzhen |
This valve is primarily used in trucks equipped with HW series transmissions (10-speed and 12-speed):
HOWO Series HOWO 7, HOWO A7, HOWO T7H, HOWO TX, and other classic models.
CNHTC Series: SITRAK, HOHAN, Golden Prince, and Huanghe series.
Transmission Models: Widely compatible with HW13710, HW15710, HW19710, HW19712, and similar gearboxes.
Automatic Range Switching: Precisely detects the gear lever's lateral position to automatically engage or disengage the air supply to the range cylinder.
Rapid Response: Features a precision-machined internal valve spool for instantaneous air circuit switching, ensuring smooth and lag-free gear transitions.
Robust Construction: The body is made of high-quality die-cast aluminum alloy, offering excellent pressure resistance and airtightness under heavy-duty conditions.
Logic Protection: Designed to prevent air circuit conflicts, protecting the transmission synchronization rings and gears from damage caused by improper shifting logic.
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To ensure the shifting system operates correctly, the following components are often checked or replaced alongside the Double H Valve:
High/Low Range Cylinder: The actuator that receives air signals from the Double H valve to move the range fork.
Shift Knob (Gear Handle): Connected via air lines to initiate the range change.
Air Filter Regulator: Supplies filtered and regulated air to the Double H valve to prevent internal contamination.
Air Connectors & Nylon Tubing: Standard pneumatic fittings (typically M10 or M12 threads).
Double H Valve Repair Kit: Includes O-rings, seals, and springs for periodic maintenance.
Shaanxi JFDL Trading Co., Ltd specializes in truck spare parts with extensive industry expertise. Our components are compatible with major truck brands including SINOTRUCK HOWO, SHACMAN, FOTON, FAW, DONGFENG, XCMG, SANY, LIU GONG, BENZ, MAN, and Yutong bus. We offer comprehensive OEM and ODM services.
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