Parts for your 2017 Mitsubishi Outlander-Control arms

2017 Mitsubishi Outlander Control Arms: What They Do and When to Replace

Yes—control arms are absolutely used on the 2017 Mitsubishi Outlander. Technical references including the Mitsubishi Motors Service Manual for the GF/GP series (ZK/ZL), the Mitsubishi ASA parts catalogue, and major aftermarket catalogues (MOOG, SuperPro, Whiteline) confirm a front MacPherson strut setup with lower control arms and a rear multi-link arrangement using lateral control arms and a trailing arm. So they’re very much relevant on this model.

On the Outlander, control arms connect the wheel hub/knuckle to the body, guiding the wheel through its up-and-down travel while holding alignment steady. Their bushes soak up vibration and harshness, while the ball joint (on the front lower arm) lets the steering and suspension move smoothly. In everyday terms: good control arms help it track straight, turn neatly, and keep tyres wearing evenly.

There’s no fixed replacement interval—these parts are wear-and-tear items that depend on kilometres, road conditions, and loads. For Aussie and Kiwi roads, with corrugations, potholes and the odd gravel stretch, it’s smart to have them inspected at regular servicing (every 20,000 km or yearly). Look for cracked or torn bushes, perished rubber, leaking ball joints, or any arm that’s bent or corroded.

• Common signs they’re tired: clunks over bumps, wandering or tramlining, vibration through the wheel, uneven tyre wear, and a steering pull or instability under braking.
• When replacing: a wheel alignment is a must. Torque bush bolts at ride height to avoid preloading the rubber. Replace arms or bushes in pairs on the same axle if wear is similar, and use new hardware where specified in the service manual.

Front lower arms are often sold complete (arm, bushes, ball joint), which saves time and avoids mixing old and new components. For the rear multi-link, individual lateral arms and bushes can be renewed as needed. Quality matters—genuine or reputable aftermarket arms keep geometry tight and NVH low. Those who regularly tow, carry heavy loads, or drive on rough roads may benefit from uprated bushes, just note firmer materials can add a touch more road feel.

Owners can extend life by keeping tyres correctly inflated, avoiding kerb strikes, and rinsing off coastal salt or outback dust. If the Outlander starts feeling loose or noisy, get it checked—fresh control arms can make it feel new again.

How long do control arms and bushes last on a 2017 Outlander?

Many see 80,000–150,000 km, but it varies with driving and roads. City commuting on smooth tarmac is gentle, rural gravel, speed humps and towing accelerate wear. Regular inspections catch small bush tears or ball joint play before they affect tyres or safety.

Do you need a wheel alignment after replacing control arms?

Yes. Any change to arms, bushes, or ball joints alters geometry. A proper alignment restores camber, caster and toe, protecting tyres and keeping the Outlander tracking straight.

Can just the bushes be replaced, or does the whole arm need changing?

Both options exist. If the arm is straight and sound, new bushes (and front ball joint if required) can be pressed in. If the arm is bent, cracked, or heavily corroded—or to save labour—complete arm assemblies are a tidy solution.