Control arms are integral parts of the front suspension on your Audi. They're also called "A arms." Some cars and SUVs have two upper and two lower control arms -- a total of four. They connect the frame or body of your Audi to its wheel assembly by a steering knuckle, using rubber pieces that flex, called control arm bushings. These allow the control arms to swing vertically as your front wheels and tires cross bumps and potholes or go over other road hazards. A control arm's outer end connects via a ball joint, a part either permanently attached, or bolted or pressed in for replacement separately.

What Control Arms Do

In short, they keep your front wheels on the road reliably. Sooner or later, though, even a top-quality Audi control arm can wear out, bend, or get damaged. In that condition, your vehicle isn't safe to drive.

Signs of Failing Control Arms

Thankfully, there are signs to look for when a lower control arm is going bad. They include loss of control, a pop or clunk when speeding up, slowing down, or driving over obstacles, and drifting when braking or driving across uneven terrain. These can indicate degraded ball joints or ripped control arm bushings, and both can cause your front wheels to separate from your suspension completely. If you've got these symptoms, lift your Audi on a hoist and inspect it to find the problem. It's a good idea to do this at least once a year.

Drive Smart | Insist on Installing Genuine Audi Control Arms

When it's time to replace a lower control arm or its parts, go genuine. OEM control arms and parts are, after all, the best guarantee of compatibility with your Audi. You can buy them online, right from our auto parts store. Get the peace of mind of a job done right -- order now.

1K0199868Q - : Suspension Cross-Member Insulator for Audi Image

Suspension Cross-Member Insulator

A3. Rear. Upper. 2.0L. 2.5L. 3.2L, to vin 8j8042000.
$148.00 CAD
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8K0407183G - : Bushing for Audi Image

Bushing

$143.00 CAD
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4N0505311J - : Lower Control Arm for Audi Image

Lower Control Arm

Incl.Bushings. A8 Quattro. S8.
$718.00 CAD
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7L0505397 - : Rear Upper Control Arm for Audi Image

Rear Upper Control Arm

Q7. Rear. Left. Incl.Bushings.
$43.27 CAD
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5Q0198037A - : Suspension Cross-Member Insulator for Audi Image

Suspension Cross-Member Insulator

Q3. Without e-tron, awd. Convertible, awd.
$152.00 CAD
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5QF505224C - : Trailing Arm for Audi Image

Trailing Arm

Incl.Bushings. Trailing. Q3. Right.
$597.00 CAD
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4KE505432F - : Knuckle for Audi Image

Knuckle

Left. Q8 e-tron. SQ8 e-tron.
$1,408.00 CAD
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8D0411317D - : Suspension Stabilizer Bar Link Kit for Audi Image

Suspension Stabilizer Bar Link Kit

A6/S6. Left. A4. S4, RS4.
$106.50 CAD
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4E0616860A - : Insulator for Audi Image

Insulator

A8, S8. 70 mm.
$10.70 CAD
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