Findapart

Mazda 3 Horn Replacement Parts

Need a used Mazda 3 horn? Request a free quote from UK vehicle dismantlers and compare offers direct.

Enter your registration or select your vehicle

Find the right part faster and get quotes direct from UK breakers - free, and no obligation.

GB

Choosing the right used Mazda 3 horn

Used horns vary between vehicles - and whether you call it used, second hand or a replacement, matching the right one matters. These are the details breakers need to match the right part to your car - our request form asks them so you only hear from suppliers with the correct part:

Other used Mazda 3 parts

Used horn for other Mazda models

Fitment questions

Will a horn from an older Mazda 3 fit my newer one?

The Mazda 3 has run across three generations: the first-generation BK (2003–2009), the second-generation BL (2009–2013), and the third-generation BM (2013–2019), with a fourth-generation BP from 2019 onwards. Horns are generally simple, bracket-mounted components and often interchange freely within a generation, but whether a horn from one generation fits another depends on the mounting point and connector type, so confirm with the breaker against your registration before buying.

Does the trim level affect which horn I need on a Mazda 3?

No — trim level does not affect horn fitment on the Mazda 3; the horn is a standard safety component fitted across SE, Sport, Sport Nav, GT Sport and other trim levels alike. You may find very minor differences in bracket style between production years, but trim name alone is not a deciding factor. Any reputable breaker will match the part to your registration rather than your trim badge.

Will a Mazda 3 horn from before the 2016 facelift fit a post-facelift BM model?

The BM-generation Mazda 3 ran from 2013 to 2019 and received a facelift around 2016. Within the same BM generation the horn and its mounting are generally consistent, but whether the pre- and post-facelift units are directly interchangeable is worth confirming with the breaker against your registration, as minor wiring or bracket revisions can occasionally occur at a facelift.

Can I use a horn from a Mazda 6 or another Mazda model on my Mazda 3?

Mazda does share components across its range, and horns from models like the Mazda 6 or CX-5 of a similar era sometimes use the same part number, making them potentially compatible. However, mounting positions and connector types can differ between models, so this is something to discuss directly with the breaker rather than assume will simply bolt on.

Does it matter whether my Mazda 3 is a petrol or diesel when sourcing a used horn?

No — the engine type has no bearing on horn fitment; the horn is mounted in the engine bay or front bumper area and is the same part regardless of whether your Mazda 3 runs a petrol or diesel engine. Simply provide your registration to the breaker and they can pull the correct unit from their stock.

Is the horn the same on a Mazda 3 hatchback and saloon?

The Mazda 3 has been offered in both hatchback and saloon (sometimes called Fastback or four-door) body styles across its generations. The horn itself is not body-style-specific, but the mounting location or bracket could vary slightly depending on front-end design, so it is worth mentioning your body style to the breaker when requesting a quote.