High Quality Sinotruk HOWO Truck Spare Parts Torque Rod Bushing AZ9631521177

The AZ9631521177 is a genuine thrust rod rubber bushing, also known as a torque rod inner core, rubber sleeve, or suspension bushing assembly, used in the suspension systems of SINOTRUK HOWO series heavy-duty trucks, including models such as HOWO A7, T7H, T5G, Steyr, and mining dump trucks.

This component serves as the critical elastomeric joint at both ends of a V-type or straight thrust rod, connecting the rear axle housing to the truck chassis frame. It plays an essential role in maintaining rear axle positioning, transmitting driving and braking forces, absorbing road shocks, and reducing vibration transmission to the cab and chassis.

Constructed with a high-strength forged steel center shaft bonded to high-elasticity synthetic rubber, this bushing combines structural rigidity with damping performance — allowing controlled articulation while resisting fatigue under repeated dynamic loads.

As a wear-prone yet safety-critical component, its condition directly affects vehicle stability, tire wear, and handling precision. Once degraded, it can lead to "axle walk," steering instability, or abnormal tire wear ("chucking" or "feathering").