Parts for your 2009 Lexus Is-Suspension bushes

2009 Lexus IS suspension bushes — what they do and when to replace

Based on technical sources — the Lexus IS (XE20: GSE20/21/25) repair manual, the Toyota/Lexus Electronic Parts Catalogue, and common OE/aftermarket catalogues used in workshops — the 2009 Lexus IS absolutely uses suspension bushes. They’re fitted in the front double-wishbone arms, rear multi-link arms, anti-roll (stabiliser) bar mounts and links, and the rear subframe/differential mounts. So yes, suspension bushes are relevant to this model.

On a 2009 Lexus IS, bushes are the quiet achievers that keep the ride smooth and the handling tidy. These rubber or elastomer sleeves isolate noise, vibration and harshness while allowing the arms to pivot as the wheels move. They help maintain alignment angles under braking and cornering, so the car tracks straight, feels planted, and looks after its tyres.

With age, heat, road grime and the odd pothole, bushes can crack, soften, or split. When that happens, alignment can wander and metal components start moving more than they should. Owners might notice:

• Clunks or knocks over bumps
• Steering shimmy, tramlining, or vague turn-in
• Uneven or accelerated tyre wear
• Instability under braking or a “rear steer” feel

Good servicing practice on a 2009 Lexus IS is to inspect the suspension bushes at each service interval (10,000–15,000 km), especially in Aussie and Kiwi conditions where heat, corrugations, and coastal environments speed up deterioration. A tech will look for cracking, torn voids, oil swelling, or excessive movement with a pry bar. Any leaking shocks or oil contamination should be fixed pronto, as petroleum products attack rubber.

When replacements are due, many shops fit complete control arms (bushes and ball joints pre-installed) to save time and ensure geometry is spot-on. Press-in bushes are fine too, provided correct tooling and orientation marks are followed. Always torque suspension fasteners at normal ride height to avoid pre-loading the new bushes, and book a proper four-wheel alignment straight after.

Choice-wise, OE-style rubber keeps the Lexus quiet and plush, ideal for daily use. Quality polyurethane options can sharpen response and last longer, but expect a bit more NVH. Replacing bushes in axle pairs (left and right) keeps handling balanced.

Look after the bushes and the IS rewards with crisp, confident handling and fewer surprises at WOF/rego time — not to mention longer tyre life.

Popular questions

How often should suspension bushes be replaced on a 2009 Lexus IS?

There’s no fixed kilometre limit, but inspection every service (10,000–15,000 km) is smart. Many IS models see bush replacements somewhere between 80,000 and 150,000 km, depending on roads, heat, and driving style. Any sign of cracking, fluid contamination, or excess movement is grounds to replace sooner.

Is it better to replace individual bushes or complete control arms?

Both approaches work. Complete arms save labour and include fresh ball joints, making sense when multiple components are tired. Press-in bushes can be cost-effective if the arm and joint are still healthy, provided correct tools and alignment procedures are used.

Will polyurethane bushes make the ride too harsh?

Poly bushes firm things up and can add some NVH, but the effect varies by location. Sway-bar D-bushes and link bushes are usually low-impact for comfort and give a nice steering lift. Front lower-arm rear bushes and rear subframe bushes deliver sharper response but are more noticeable for vibration and road feel.