Parts for your 2019 Mazda Cx-5-Rack boots

2019 Mazda CX-5 Rack Boots (Steering Gear Boots)

Rack-boots are absolutely used on the 2019 Mazda CX-5. Mazda’s own technical references confirm it: the Mazda CX-5 (KF) Workshop Manual under the Steering section shows a boot on each side of the electric power-assisted rack-and-pinion, and the Mazda Electronic Parts Catalogue lists these as “steering gear boots” with corresponding clamps and inner tie-rod interfaces. Dealer service literature and MGSS procedures also include inspection and replacement steps for these boots.

On the 2019 CX-5, the rack-boots (often called steering rack bellows) protect the inner tie rods and the rack ends from grit, water, and road grime. They expand and compress as the steering moves, keeping the grease where it belongs and shielding the rack’s internal seals. Because this model uses electric power steering, there’s no hydraulic fluid to leak from the boots—but a torn or loose boot still lets in contamination that can chew through the inner tie-rod joint and the rack itself, leading to play in the steering and expensive repairs.

As part of regular servicing, the boots should be visually checked for cracks, tears, perishing, loose clamps, or grease being flung out. A quick squeeze test (engine off, wheels straight) can reveal splits, and any clicking, notchy steering, or uneven tyre wear can be a clue that a boot or inner tie rod needs attention. While there isn’t a fixed replacement interval, inspecting them at every service—typically every 10,000–15,000 kilometres in local conditions—keeps the steering gear protected.

If a boot is damaged, replacement should be done promptly. Best practice is to fit a quality boot and new clamps, clean the rack end, and lightly regrease the inner tie-rod area as specified in the workshop manual. Because the outer tie rod is usually removed to slide the boot on, a wheel alignment is recommended afterwards—even if the threads were marked—so the CX-5 tracks straight and protects its tyres.

DIY-savvy owners can tackle the job with basic tools, but torque specs and clamp positioning matter, and overtightening can pinch the boot. Workshops familiar with the KF-series CX-5 will knock it over quickly. Genuine or high-quality aftermarket boots both do the trick, the key is a proper seal and correct length so the bellows don’t bind at full lock.

• Check rack-boots at every service for splits, oil/grease mist, or loose clamps.
• Replace torn boots immediately to prevent rack and inner tie-rod wear.
• Book a wheel alignment after boot or tie-rod work.

Popular questions about 2019 Mazda CX-5 rack-boots

Do 2019 Mazda CX-5s actually have rack-boots?
Yes. Mazda’s workshop and parts documentation for the KF-series lists a steering gear boot on each side of the rack. They’re essential for keeping dust and water out of the inner tie-rod joints and rack ends.

How often should rack-boots be replaced?
There’s no set kilometre interval. They should be inspected at every service and replaced as soon as cracks, splits, or loose clamps are found. Waiting risks damage to the inner tie rod or the rack, which costs far more than a boot.

Is an alignment needed after replacing a rack-boot?
Usually, yes. Even if the tie-rod threads are marked, small differences can nudge toe out of spec. A quick alignment keeps the CX-5 steering sweet and prevents uneven tyre wear.