A ball joint is an essential section of the suspension in your car, and it is available in all modern vehicles. Furthermore, a ball joint is a spherical bearing placed in a mechanical socket. It also functions in the sawm way as the ball and socket structure of the human body. In modern-day vehicles, the ball joint acts as an essential pivot point the connects the control arms of the car to the steering. The front ball joints allow the front wheels and suspension to move in various directions, thus providing optimal car movement.