Ball joint
Also asked for as: ball joint, lower arm joint
What it does
Pivot between the suspension arm and the wheel hub.
Signs it needs replacing
- Clunk over bumps
- Uneven front tyre wear
- Play when the wheel is rocked top to bottom
What to tell the shop
- Vehicle make, model and model year
- Engine size, and whether it is manual or automatic
- The number printed on the old part, or a photo of it
- Whether you want genuine, OEM or a local replacement