Parts for your 2021 Honda Cr-v-Control arms

2021 Honda CR‑V Control Arms

Control arms are absolutely fitted to the 2021 Honda CR‑V. The Honda CR‑V 2017–2022 Service Manual (HondaTechInfo) specifies a MacPherson strut front suspension with a front lower control arm and ball joint, while the rear is a multi‑link layout that uses multiple arms/links to control wheel motion. The Honda Genuine Parts catalogue for the 2021 model year likewise lists front lower arms and rear control links, confirming the component is standard equipment.

On this CR‑V, the control arm’s job is to keep the wheel hub located precisely under load, so steering and alignment stay true over Aussie and Kiwi roads. Up front, the lower arm ties the knuckle to the subframe via a ball joint and large rubber (often hydraulic) bushes, managing camber and caster as the strut moves. Out back, the multi‑link setup uses separate arms to fine‑tune toe and camber while isolating road harshness. In simple terms, these arms carry braking and cornering forces, keep tyre contact patch consistent, and soak up vibration so the cabin stays quiet and composed.

There’s no strict replacement interval, control arms and their bushes are a “replace when worn” item. Typical warning signs include clunks over bumps, wandering or tramlining at highway speeds, a shimmy under braking, or uneven tyre wear that won’t resolve with rotation. On the 2021 CR‑V, cracked or leaking hydraulic bushes, torn dust boots, and looseness at the ball joint are the common failure points. WoF (NZ) or roadworthy (AU) inspections can ping torn bushes or play as a safety defect.

• Listen for knocks over speed humps and sharp edges.
• Watch for feathered or rapidly wearing tyres.
• Feel for vague on‑centre steering or a pull to one side.

When it’s time to replace, many owners opt for genuine Honda arms complete with pre‑pressed bushes and ball joint to save workshop time. Quality aftermarket can be fine, but expect more noise if using polyurethane bushes. Always torque the arm bolts at normal ride height to avoid bush preload, and book a four‑wheel alignment straight after—rear toe and camber are adjustable on the CR‑V’s multi‑link, and front geometry will shift when arms are changed. Replacing in pairs across an axle helps keep handling consistent. A competent tech will also check sway bar links, strut mounts and subframe alignment at the same visit.

Look after the arms with periodic inspections every 20,000–30,000 km, especially if the vehicle sees corrugations or gravel. Keeping tyres correctly inflated and balanced reduces bush punishment and helps the CR‑V track straight for the long haul.

Popular questions about 2021 Honda CR‑V control arms

How long do the control arm bushes last on a 2021 CR‑V?

Most see well over 80,000–120,000 kilometres, but life varies with road conditions and load. Frequent speed humps, corrugations and potholes accelerate wear, especially on the fluid‑filled (hydraulic) front bushes. Regular inspections during services will catch small cracks or leaks before they become a knock or alignment issue.

Do you need a wheel alignment after replacing control arms?

Yes. Changing any arm or bush alters suspension geometry. The 2021 CR‑V has adjustable rear toe and camber, and the front toe will shift when a lower arm or ball joint is replaced. A proper four‑wheel alignment restores straight‑line stability and protects tyres from rapid wear.

Can worn control arms cause a steering shake?

They can contribute. While wheel balance and brake rotors are common culprits, a sloppy ball joint or collapsed bush can let the wheel move under load, showing up as a shimmy on bumps or under braking. If vibration persists after balancing and brake checks, have the arms inspected.