This 2201ZC65T-030 cross shaft assembly (universal joint spider) is a key component of Dongfeng heavy truck drive shaft. It transmits power between segmented drive shafts and compensates angle changes during vehicle bumping. Made of high-quality alloy steel with carburizing and quenching heat treatment, high surface hardness, excellent wear resistance and impact resistance. Equipped with grease nipple for regular lubrication, extending service life. Each cross shaft assembly undergoes dimensional inspection and torque test before delivery. It is an essential replacement spare part for drive shaft overhaul.