The invention discloses an automobile pull rod assembly. The automobile pull rod assembly comprises a pull rod, a ball pin and a ball seat structure for supporting the ball pin, wherein the ball pin comprises a ball head and a ball pin rod, and an accommodating cavity for accommodating the ball seat structure and the ball head is arranged in the pull rod. According to the automobile pull rod assembly disclosed by the invention, the accommodating cavity for accommodating the ball head and the ball seat structure of the ball pin is arranged in the pull rod, the pull rod is of an integral structure, the ball pin is directly mounted on the pull rod, and thus the bearing strength of the pull rod assembly can be improved; the structure of the pull rod assembly is simpler, the production technology can be simplified, and the production cost is reduced; moreover, components of the pull rod assembly can be changed individually, only damaged components are changed in case of failure, the assembly does not need to be changed, the using cost is reduced, the steering stability of large-torsion heavy machinery (such as large tractors, pavers, heavy trucks and the like) is guaranteed, and safety and reliability of steering operation are guaranteed.