Parts for your 2013 Lexus Is-Rack boots

2013 Lexus IS rack-boots (steering rack gaiters)

Based on the Lexus IS (GSE20/21/25) Repair Manual steering section and the Toyota Electronic Parts Catalogue for the 2013 IS range, this model uses a rack-and-pinion steering gear fitted with rack-boots (also called steering rack boots or gaiters). Whether the vehicle is equipped with electric or hydraulic assist, the steering rack has protective bellows on each side. So yes, rack-boots are relevant and fitted on the 2013 Lexus IS.

Rack-boots do a simple but critical job: they seal the ends of the steering rack and the inner tie rods from dust, water, and road grit, while keeping the correct grease where it belongs. That protection helps the inner tie rod joints and rack bar last longer and prevents premature wear of seals and bearings. On cars doing daily duty across Aussie and Kiwi roads—through rain, roadworks, coastal air, and the odd gravel stretch—healthy boots make a real difference to steering feel and long-term reliability.

As part of regular servicing, it’s smart to inspect the rack-boots at each service interval (around 10,000–15,000 km). Look for splits, perished rubber, loose or missing clamps, or any grease flung onto nearby components. If the car has a hydraulic rack, fluid weeping at the boot area can indicate internal seal issues, with electric racks, a torn boot will usually show as dirt ingress and drying grease. Any damage is grounds for replacement, and a torn boot can attract a fail at a WOF or roadworthy inspection.

Replacement is a straightforward job for a workshop. The technician will remove the tie rod end, slide off the old boot, clean and regrease as needed, and fit a quality boot with proper clamps (preferably crimp or ear-type, not cable ties). Inner tie rod torque should be checked if disturbed. Because the tie rod end is removed, a wheel alignment is recommended afterwards. Many techs replace boots in pairs, but there’s no drama doing one side if the other is sound—just inspect both thoroughly.

How long do they last? In typical conditions, original boots can go many years, but age, heat, and road splash eventually take a toll. Replacing them promptly when cracked or split protects the rack-and-pinion itself—far cheaper than steering gear repairs down the track.

• Signs a rack-boot needs attention: visible splits or perishing, grease or oil around the boot area, dirt inside the bellows, or a WOF/roadworthy fail note.
• After replacement: get an alignment to keep steering straight and tyres wearing evenly.

Popular questions about 2013 Lexus IS rack-boots

Do all 2013 Lexus IS models have rack-boots?
Yes. The 2013 IS uses a rack-and-pinion steering gear and each side of the rack has a protective boot. They’re sometimes listed as steering gear boots, rack gaiters, or bellows in parts catalogues.

How often should the rack-boots be checked or replaced?
Have them inspected at every service (about 10,000–15,000 km). Replace immediately if they’re split, perished, or the clamps are loose. There’s no fixed replacement age—condition is the guide—but many original boots last 8–12 years depending on climate and use.

Is it safe to drive with a torn rack-boot?
It’s not recommended. A torn boot lets in dirt and water that can chew out the inner tie rod and steering rack seals. It can also cause a WOF/roadworthy fail. Get it sorted promptly and book an alignment afterwards.