‌Genuine Sinotruk Spare Parts HOWO T7H Sitrak Rear Axle Camshaft (Left) WG71173490‌

‌Genuine Sinotruk Rear Axle Camshaft WG71173490 (Left Side)‌
Critical braking component engineered for Sinotruk HOWO T7H and Sitrak series heavy-duty trucks. Converts air pressure into mechanical force to actuate brake shoes, ensuring synchronized rear-axle braking under extreme loads.

‌Technical Specifications:‌

• ‌OEM Part Number:‌ WG71173490 (Left Side Only)
• ‌Compatibility:‌ HOWO T7H, Sitrak C7H/C9H models
• ‌Material:‌ Forged alloy steel, heat-treated to 48-52 HRC hardness
• ‌Surface Treatment:‌ Shot-peened finish + zinc anti-corrosion coating
• ‌Weight:‌ 6.8 kg (±2% tolerance)
• ‌Lobe Profile:‌ Optimized for 25% faster brake engagement vs. generics
• ‌Certification:‌ ISO 9001 manufacturing standards

‌Performance Advantages:‌

• Precision grinding tolerance (±0.01mm) reduces S-cam bushing wear
• Direct bolt-on replacement – no modifications required
• 180,000+ km service life in mining/logistics operations
• Compatible with factory brake chambers and slack adjusters