Parts for your 2013 Toyota Prius-Control arms

2013 Toyota Prius Control Arms — What They Do and When to Replace

Yes, the 2013 Toyota Prius (ZVW30) uses control arms on the front suspension. Technical sources including Toyota’s New Car Features for ZVW30, the Toyota Repair Manual (Front Suspension section: Front Lower Suspension Arm), and the Toyota Electronic Parts Catalogue all identify a MacPherson strut front suspension with an L‑shaped lower control arm and ball joint. The rear suspension is a torsion beam with trailing arms, so it doesn’t use traditional control arms at the back.

On this Prius, the front lower control arms locate the wheels, set the geometry, and let the struts do their job without the wheel wandering about. The inner bushes soak up vibration and braking forces, while the outer ball joint pivots smoothly as the steering turns. When those bushes crack or the ball joint wears, it shows up as clunks over bumps, vague steering, or uneven tyre wear.

For regular servicing, a quick look at the control arm bushes and ball joints is smart. Any torn rubber, oil saturation from a leak, or play in the joint means it’s time to act. Because the Prius is gentle on tyres and suspension, many arms last well beyond 150,000 km, but age and rough roads can bring the timetable forward.

• Tell‑tale signs: clunking or knocking, steering shimmy under braking, pulling to one side, inside-edge tyre wear, or a wandering feel on the motorway.
• Best practice when replacing: do both sides if wear is similar, torque the inner bushing bolts at normal ride height, and always book a wheel alignment straight after.
• Parts choice: OE or quality aftermarket arms with pre‑installed bushes and ball joint make the job quicker and help keep NVH low.
• Safety: support the car at the specified front jacking points, the hybrid system doesn’t affect this job, but good workshop habits matter.

A fresh set of front control arms brings back that tidy Prius steering feel, helps the tyres wear evenly, and keeps the car tracking straight — exactly what owners expect from their ultra‑reliable hybrid.

Popular questions about 2013 Toyota Prius control arms

Does the 2013 Prius have rear control arms?
No. The rear end uses a torsion beam with trailing arms, not conventional upper/lower control arms. Only the front suspension has lower control arms with ball joints and bushes.

How long do the control arm bushes last on a Prius?
Many see well over 150,000 km, but age, potholes, and kerb strikes speed things up. Inspect at every service, replace if the rubber is cracked, split, or the arm shows excessive movement.

Do I need a wheel alignment after replacing control arms?
Absolutely. Changing arms alters caster and toe, so a proper alignment protects tyre life and restores that straight‑tracking feel.