It depends on the specific situation of the vehicle. If the lower swing arm and the ball head of the vehicle are separated, the assembly does not need to be replaced. It is OK to replace the ball head alone. The ball head and the lower swing arm are fixed by screws. See if there are screws below. Generally, there are three screws. If there are screws, replace the ball head alone. If there are no screws, then The only way to replace the assembly is to replace it. If there is a problem with the steering ball head, it's better to deal with it as soon as possible. Otherwise, the gap will become larger and larger after a long time, or even fall off, and the cost will be higher
