Need a used Mazda RX-8 steering box? Request a free quote from UK vehicle dismantlers and compare offers direct.
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Fitment on a used steering box varies by vehicle, so a bit of detail goes a long way. Our request form covers what breakers need to know, so every quote you get back is for the correct part:
No — the RX-8 uses a rack-and-pinion steering system, not a steering box. A steering box is a recirculating-ball or worm-and-roller unit typically found on older or heavier vehicles; the RX-8 never used one in any variant or model year. If you need to replace your steering components, what you are most likely looking for is the steering rack (also called a steering rack and pinion), so search for that part instead.
The RX-8 was produced from 2003 to 2012 and in all variants it uses a rack-and-pinion steering rack, often with electric power assistance (EPAS) depending on the year and specification. When sourcing a used rack from a breaker, confirm the year of your car and whether your car has electric or hydraulic power steering, as these are not interchangeable. Quote your registration to the breaker so they can match the correct unit.
The RX-8 received a significant update for the 2009 model year, and there were changes to various components across that boundary. Whether the steering rack crosses that boundary is something you should confirm directly with the breaker against your registration, as subtle differences in mounting, power-assist type, or geometry could affect fitment. Do not assume early and late racks are interchangeable without that check.
Trim level alone does not typically affect the steering rack specification on the RX-8, since steering geometry is driven by the car's weight and drivetrain rather than interior or cosmetic specification. That said, if your car is a higher-performance variant, it is worth confirming with the breaker whether any suspension or steering tuning differences were applied, as these could influence the rack fitted. Always quote your registration to the breaker to be sure.
A steering box is not the correct part for an RX-8 — this model uses a rack-and-pinion system throughout its entire production run from 2003 to 2012, so no steering box was ever fitted. It is possible there has been a terminology mix-up, which is common when searching online or speaking with non-specialist suppliers. Ask specifically for the steering rack (or steering rack and pinion assembly) and confirm the type of power assistance your car uses when speaking to the breaker.