WG2210040109 Spindle Sliding Sleeve is forged from high-strength alloy steel and hardened by carburizing and quenching, featuring high hardness, excellent wear resistance and impact resistance without cracking. Manufactured with precision CNC machining, its internal splines and external teeth achieve precise meshing, ensuring smooth gear shifting, reliable positioning and low noise. Designed for Sinotruk HW series gearboxes, it is compatible with mainstream heavy-duty truck models such as Howo and Sitrak. With original factory dimensional specifications, it requires no modification for installation, offers high adaptability and long service life.
