What is ball joint?

ball joint seal

Glossary “ball joint seal” Definition:
Neoprene rubber seal that fits over a ball-joint stud against the housing to retain lubricating grease and keep unwanted foreign debris, such as sand or dirt, out.

ball joint

Glossary “ball joint” Definition:
1). A joint or connection where a ball moves within a socket, allowing a rotary motion while the angle of the rotation axis changes. 2). A suspension component that attaches the steering knuckle to either control arm, featuring a ball-and-socket joint to allow pivoting in various directions. Also known as a spherical joint.