AZ2229100170 Main and Auxiliary Gearbox Interlock Plate, weight 115g. It is an original high-quality accessory for Sinotruk HW series gearboxes, compatible with mainstream gearboxes of heavy-duty trucks such as Howo, Steyr and Sitrak.

Made of high-strength alloy steel and processed by professional quenching and tempering technology, it features high hardness, excellent wear resistance and impact resistance, and is not prone to deformation or fracture under long-term gear shifting working conditions.

With precise and standard hole positions and great interchangeability, it can be installed and fitted without modification. It accurately realizes the interlock limit of the main and auxiliary gearboxes, prevents mis-shifting and double gear engagement faults, protects gears and synchronizers, and boasts high durability, making it an optimal choice for maintenance and replacement.