Sinotruk Axle And Steering Parts

‌Genuine Sinotruk HOWO Truck Clutch Booster Assembly (OEM Part No. WG9725230041) - Heavy-Duty Hydraulic Assist System

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Product description: Original Sinotruk HOWO clutch booster (Part# WG9725230041) for smooth gear shifting. High-pressure hydraulic design with 500,000 cycle durability. Direct OEM replacement.
INQUIRY

This ‌OEM Sinotruk HOWO clutch booster (Part No. WG9725230041)‌ is engineered for ‌heavy-duty clutch systems‌, featuring ‌CNC-machined aluminum housing‌ and ‌nitrile rubber diaphragms‌ for leak-free operation. The ‌dual-chamber hydraulic design‌ reduces pedal effort by 60% while maintaining precise pressure control (±5% tolerance).

✔ ‌500,000 cycle lifespan‌ (tested per ISO 14269-2)
✔ ‌Corrosion-resistant‌ (salt spray tested 720h)
✔ ‌Direct fit‌ for HOWO ZZ3257/ZZ3317 models
✔ ‌Works with‌ DOT 4 brake fluid

‌Technical Specifications‌:

Parameter	Specification
Part Number	WG9725230041
Material	Aluminum Alloy (ADC12)
Operating Pressure	8-12 bar
Hydraulic Port Size	M12×1.25
Weight	3.2 kg
Standards	ISO 9001, GB/T 19001

‌Installation Notes‌:

‌Bleeding‌: Use pressure bleeder at 1.5 bar to remove air from system.
‌Alignment‌: Mount booster within 0.2mm parallel tolerance to clutch master cylinder.
‌Torque Specs‌: Tighten hydraulic fittings to ‌28±3 Nm‌.
‌Testing‌: Verify 20-30mm free pedal play after installation.