Mazda3 Brake Pads: OEM Part Numbers & Replacement Guide

Your Mazda3's brake pads are the single most important wear item for safe stopping. They gradually wear down every time you brake, and worn pads mean longer stopping distances, noise, and eventually damage to the rotors. This guide covers the genuine OEM brake pad part numbers for the Mazda3, how long they last, the warning signs of worn pads, and whether you can replace them yourself.

Which brake pads fit a Mazda3?

Brake pads come as separate front and rear sets, and the correct part depends on your model year and build. For the current-generation Mazda3, the common genuine OEM front pad set is:

  • 2014-2021 Mazda3 (Japan built) front brake pads: Part # B6YS-33-28ZB (also fits CX-3)

Because brake fitment varies by build date, trim, and whether pads are front or rear, always confirm the exact set for your car by entering your VIN at checkout before ordering. Brakes are safety-critical, so it is worth taking the extra minute to verify.

How often should you replace Mazda3 brake pads?

Most Mazda3 brake pads last roughly 30,000 to 70,000 miles, but the range is wide because it depends heavily on driving style. Frequent city stop-and-go traffic wears pads far faster than steady highway driving. Front pads usually wear out before the rears because the front brakes do most of the work.

Signs your Mazda3 brake pads need replacing

The most common warning signs are a high-pitched squeal when braking, a grinding or metallic sound, a brake warning light, longer stopping distances, or a pulsing pedal. Many pads have a built-in wear indicator that squeals to tell you it is time. If you hear grinding, stop driving and replace the pads promptly, as metal-on-metal contact damages the rotors.

Is replacing Mazda3 brake pads a DIY job?

For an experienced home mechanic, front and rear pads can be replaced with basic hand tools, a jack, and jack stands in about an hour per axle. However, brakes are a safety system: if you are not fully confident, have them done by a professional. Always replace pads in complete axle sets and inspect the rotors at the same time.

Frequently asked questions

Do I need to replace rotors when I replace pads? Not always, but inspect them. If the rotors are scored, warped, or below the minimum thickness stamped on them, replace or resurface them.

Should I replace all four sets at once? Not necessarily. Front and rear pads wear at different rates, so replace each axle when it needs it, but always as a complete set on that axle.

Are genuine Mazda pads worth it over aftermarket? Genuine OEM pads are tuned to match your Mazda3's braking system for consistent feel, quiet operation, and correct wear characteristics.

Where to buy genuine Mazda3 brake pads

MazdaPartDirect.com is owned and operated by Seacoast Mazda, an authorized Mazda dealer in Portsmouth, NH. Genuine Mazda3 brake pads are in stock and ship fast, at up to 33% off MSRP with a VIN fitment guarantee.