Parts for your 2019 Lexus Is-Steering bushes

2019 Lexus IS steering bushes — what’s actually fitted

Based on Lexus technical literature for the XE30-series IS (2019 model year) — including the Lexus Repair Manual (Steering – Electric Power Steering), the Lexus/Toyota Electronic Parts Catalogue diagrams for “Steering Gear & Link,” and the New Car Features documents for GSE/ASE chassis — this vehicle uses an electric power steering (EPS) rack that is rigidly mounted to the front subframe. The rack’s isolation is handled by engineered interfaces within the steering gear and subframe brackets, and there are no separately serviceable “steering rack bushes” listed as individual parts.

That means a traditional “steering-bushes” replacement isn’t relevant on the 2019 Lexus IS. Where older hydraulic setups often used replaceable rubber rack mounts, the EPS unit in the IS is designed as an integrated assembly for precision and steering feel. If mounting isolation were to degrade or the rack developed play, the prescribed remedy in the factory service information is replacement of the complete steering gear assembly rather than swapping a set of bushes.

This design choice reduces compliance that can dull response, helps keep on-centre feel tight, and supports the EPS motor’s control accuracy. The steering column itself runs on precision bearings rather than rubber bushes, again removing a common “bush” service point from the equation.

Owners chasing a knock, wander, or vague feel should look to components that do wear and are serviceable:

• Inner and outer tie-rod ends for play
• Front lower control arm bushes and ball joints (big contributors to steering feel under brakes)
• Front stabiliser bar bushes and links for clunks over bumps
• Front subframe fasteners for correct torque after any prior work
• Wheel and tyre condition, pressures, and a quality wheel alignment

If diagnostic checks point to movement within the steering gear mounts or internal rack play, the correct path is steering gear replacement followed by a zero-point calibration of the steering angle/torque sensors and a fresh alignment — exactly as outlined in the Lexus Repair Manual. It’s a different approach to the old bush swap, but it keeps the IS feeling sharp and predictable on New Zealand and Australian roads.

Popular questions

Does a 2019 Lexus IS have replaceable steering rack bushes?
According to the Lexus Repair Manual and the Lexus/Toyota EPC for the 2019 IS, the EPS steering gear mounts aren’t serviced as separate bush kits. If there’s play at the rack, the specified repair is replacement of the complete steering gear assembly, then performing the specified calibrations and wheel alignment.

What causes a clunk or vague steering feel if it’s not the rack bushes?
On these cars it’s commonly wear in the front lower control arm bushes, ball joints, or the inner/outer tie-rod ends. Stabiliser bar bushes and links can also knock over sharp bumps. Tyre condition and pressures, plus alignment settings, make a noticeable difference to steering feel too.

Can aftermarket bushes be fitted to tighten the steering on a 2019 IS?
Aftermarket suppliers typically focus on control arm and stabiliser bar bushes for this chassis. Dedicated “steering rack bush” kits are uncommon because the EPS rack is designed as an integrated assembly. Upgrading other front-end bushes and ensuring the alignment is set to a performance-friendly spec usually delivers the steering precision people are after.