In an automobile, ball joints are spherical bearings that connect the control arms to the steering knuckles, and are used on virtually every automobile made. [1] . They bionically resemble the ball-and-socket joints found in most tetrapod animals. [2]

Ball joints consist of a ball and socket similar to the hip joint of the human body. Ball joints of your front suspension provide pivoting movement between the steering knuckles and control arms to provide a safe, smooth ride and allow you to precisely control your vehicle.

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Jun 30, 2021 · A ball joint sits on the outer end of the control arm and acts as a pivoting joint to attach the steering knuckle to the vehicle. It’s a ball and socket (much like a hip joint) arrangement that allows the steering knuckle to rotate left and right, and up and down.

Replacing worn or damaged ball joints is essential for maintaining steering precision and overall suspension performance. If you're ready to replace your ball joints, tie rods, sway bar links, or other suspension and steering parts, shop O'Reilly Auto Parts for the parts you need for the job.

Learn how to replace a worn ball joint in your car's suspension system, and keep your car driving smoothly and safely.

Sep 24, 2021 · Ball joints are important components of a vehicle's suspension system that assist in the operation of the suspension and steering systems. They form a connection between control arms and steering knuckles, allowing for smooth movement within the suspension.

Jul 5, 2024 · The ball joint is a pivoting part found in the front suspension of your car—and sometimes also in the rear, depending on the suspension type. It connects two essential components, the steering knuckle, and the control arm, allowing movement in various directions.

Replace the ball joint assembly in your vehicle with these instructions and video. Stay safe on the road with a new ball joint assembly from O’Reilly Auto Parts.

Ball joints act like hinges and connect the suspension control arms to the steering knuckles with a rotating, spherical stud and a socket, giving the wheels a wide range of movement -- from side to side for steering and up and down for going over bumps.