Parts for your 2006 Mazda 3-Steering bushes

2006 Mazda 3 steering bushes — what they do and when to sort them out

Yes, steering bushes are used on the 2006 Mazda 3 (BK series). The Mazda 3 (BK) Workshop Manual identifies rubber “steering gear mounting” insulators/bushings that locate the rack on the front subframe, and the Mazda Electronic Parts Catalogue lists these mounts for the BK chassis. Aftermarket catalogues from well-known suspension brands also offer replacement rack-and-pinion mount bushes specifically for 2003–2009 Mazda 3 models, which confirms their fitment and service relevance.

On this Mazda 3, the steering bushes sit between the rack-and-pinion housing and the crossmember. Their job is to clamp the rack securely while isolating vibration and road shock, so steering feels tight without sending every bump up the column. Good bushes keep the rack centred, maintain toe under load, and help the car track straight at motorway speeds.

As part of regular servicing, it’s smart to inspect these bushes every 20,000–40,000 km. They aren’t a scheduled replacement item, but rubber ages. Heat, time, and any oil or power-steering fluid leaks will soften or crack them. If they’re torn, oil-soaked, or allow the rack to shift when the wheel is rocked, it’s time to replace.

• Common signs they’re tired: a clunk over sharp bumps, vague on-centre feel, tramlining, or a knock when turning on and off the throttle.
• Quick checks: with the front lifted safely, have a helper wiggle the steering while watching the rack—excess movement at the mounts points to worn bushes.

Replacement is straightforward for a trained tech: support the rack, remove the mount brackets, swap the bushes, then torque everything to spec. An alignment is recommended afterwards to make sure toe is spot on. Choosing polyurethane can sharpen steering and last longer, while OEM-style rubber keeps things factory-quiet—either way, avoid mixing types left-to-right. If there’s any sign of fluid weeping onto the bush area, fix the leak first or the new parts won’t last.

Worth noting: sway bar bushes aren’t steering bushes, even though they influence steering feel. On the BK Mazda 3, the relevant “steering bushes” are the rack mounts (and, in some cases, a small column support bush). Technical references: Mazda 3 (BK) Workshop Manual—Steering Gear and Linkage section, Mazda EPC listings for steering gear mount rubbers, and major aftermarket suspension catalogues confirming rack-mount bush availability for the 2006 Mazda 3.

Popular questions

What steering bushes are on a 2006 Mazda 3?
The BK Mazda 3 uses rubber rack-and-pinion mounting bushes that secure the steering rack to the subframe. There isn’t an idler arm on this car, so there are no idler bushes. Some vehicles may also have a small support bush in the steering column assembly.

How long do the steering bushes last?
Many last well past 100,000 km, but hard use, rough roads, and oil contamination can shorten their life. Inspect them during routine services, replace if cracked, perished, or allowing rack movement.

Do I need a wheel alignment after replacing them?
Yes. Any time the rack is loosened or disturbed, a proper alignment is recommended to set toe accurately and ensure straight-ahead steering and even tyre wear.