Anti-Roll Bar Links and Bushes: The Most-Replaced UK Suspension Component

The anti-roll bar (sway bar) reduces body roll in corners by connecting the left and right struts through a torsion bar. The bar is mounted to the subframe at two points via rubber bushes, and connects to each strut through a short drop link (steel rod with a small ball joint at each end). Drop links and anti-roll bar bushes are the most-replaced UK suspension components — small, exposed, take constant load.

The noise

The classic symptom of failed drop links is a "clonking" sound from the front over speed bumps and uneven roads — like a stone rattling in a coffee tin. Often the noise is intermittent — only on one specific bump direction. Inspection: with the suspension at full droop (wheels off the ground), wiggle each drop link by hand. A worn one has noticeable free play in the ball joint.

Replacement

Drop link replacement is a half-hour DIY job per side. The link is held by a single nut at each end. Anti-roll bar bushes are harder — usually requiring the subframe to be lowered or working in a tight space.

Always replace as pairs

Both drop links wear at similar rates. Replacing one while leaving the other means the second will fail within months.

Brand

OE-equivalent: Lemforder, First Line, Febi, Sasic, Moog. The parts are application-specific (length and ball joint orientation vary per car).

Find anti-roll bar links and bushes for your car on the Anti Roll Bar Links & Bushes collection.