AZ2210100149 sun gear is compatible with the planetary mechanism assembly of multi-speed transmissions for Sinotruk Howo, Sitrak and other models. As a key power transmission component, it meshes precisely with planetary gears to transmit torque.

Adopting professional gear manufacturing technology, it features high-precision finely ground tooth profile and uniform fitting clearance, delivering excellent transmission efficiency.

The whole part undergoes quenching and tempering as well as tooth surface hardening treatment, providing corrosion resistance and wear resistance. It is not easy to fail under long-term vibration and load conditions.

Produced in strict accordance with original manufacturing standards and quality inspection, it features accurate specifications and parameters. It can directly replace damaged original parts, perfectly meeting maintenance and assembly requirements with stable and reliable performance.