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The steering column universal joint (U-joint) AZ9719470043 is a vital link in the steering system of Sinotruk HOWO and Shacman trucks. Based on our field experience, this precision-engineered component ensures a smooth transfer of steering force from the column to the steering gear. The AZ9719470043 is made from high-grade alloy steel and features superior needle bearing seals, providing excellent resistance to wear, vibration, and environmental contaminants like dust and water. Mechanic's Expert Advice: A common symptom of a failing AZ9719470043 U-joint is "stiffness" in the steering wheel or a clicking sound during turns. If the steering becomes heavy or inconsistent, the joint's bearings are likely worn or seized. Installation Tip: When replacing the steering U-joint, ensure that the yoke is perfectly clean. Avoid high-impact force during assembly to protect the delicate needle bearings. A properly installed and lubricated AZ9719470043 is essential for maintaining precise steering control and overall vehicle safety. We specialize in spare parts for major heavy machinery brands: CHANGLIN, Sinomach, XCMG, Everun, HOWO, SITRAK, FAW, SEM, SDLG, LiuGong, FOTON, LINGONG, SHANTUI, CHENGGONG, XGMA.