Securing Plate, ball joint

A securing plate for the ball joint is a small but safety-critical component that locks the ball joint in place within the steering knuckle or control arm, preventing it from working loose during driving. PartStall's category includes 22 products for a wide range of passenger vehicles. The plate is usually replaced together with the ball joint, but it can sometimes wear or deform on its own, for example through overload or corrosion.

• Vehicle compatibility: check make, model, year and axle version — securing plates are model-specific.
• Fitment side and axle: confirm left/right and front/rear before ordering.
• Kit contents: check whether bolts and retaining rings are included or need to be purchased separately.
• Material and corrosion resistance: a quality plate with proper surface treatment lasts longer under local road conditions.

When should a securing plate be replaced? Replace it when deformed, cracked or corroded — it is commonly replaced together with the ball joint as a set.

Does ball joint replacement require wheel alignment? Work on ball joints and knuckle fixings can affect wheel geometry, so alignment is recommended after the repair.

Can the wrong securing plate cause problems? Yes — an incorrectly sized or incompatible plate may leave the ball joint insufficiently secured; compatibility must be verified before purchase.