R1 Concepts 2551-2042-00 Disc Brake Pad Set - Rear

Rear Brake Pads for Mazda CX-3 and Mazda 3

R1 Concepts R1 Optimum OE Pads part number 2551-2042-00 are rear disc brake pads for select Mazda applications. This set is built for drivers looking for an OE-style rear brake pad replacement for the Mazda CX-3 and Mazda 3 platform.

Key Features

• Rear disc brake pad set for select Mazda vehicles
• R1 Optimum OE Pads product line
• Fits 2019-2024 Mazda CX-3, rear
• Fits 2017-2018 Mazda 3, rear, electric parking brake
• Fits 2017-2018 Mazda 3 Sport, rear, electric parking brake
• Part number 2551-2042-00 for application matching

Product Details

The R1 Optimum OE Pads line is positioned as an OE-style brake pad solution for everyday street use. This rear pad set is listed for the Mazda CX-3 rear brake position from 2019 through 2024, plus 2017-2018 Mazda 3 and Mazda 3 Sport rear applications with an electric parking brake. If you are searching for rear brake pads for Mazda CX-3 2019-2024 or rear brake pads for Mazda 3 with electric parking brake, part number 2551-2042-00 matches the confirmed fitment shown here.

Common Reasons for Replacement

• Squealing or noise from worn rear pads
• Reduced braking response from pad wear
• Brake dust buildup from aging friction material
• Uneven rear pad wear on Mazda CX-3 or Mazda 3 models
• Service replacement for rear pads on electric parking brake-equipped Mazda 3 and Mazda 3 Sport

Installation Notes

Verify rear axle fitment, model year, and parking brake configuration before installation. These pads are listed for rear use only, and the 2017-2018 Mazda 3 and Mazda 3 Sport applications require an electric parking brake. Confirm rotor condition, caliper operation, and pad hardware compatibility during brake service. Part number 2551-2042-00 should be matched to the vehicle application before ordering.

Quality Assurance

R1 Concepts identifies this set as part of its R1 Optimum OE Pads line, an OE-style replacement category for direct-fit brake service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.