# Transit Auto KC8-100861N Disc Brake Kit for 2004-2013 Mazda 3 Sport, Mazda 3 - Rear

### Performance Overview

Transit Auto offers the most comprehensive and highest-quality replacement kits on the market. Thanks to our cutting-edge AI, in-house product team, and proprietary fitment data, we are able to build and deliver the most accurate kits on the market. All our kits include the highest-quality parts on the market, sourced directly by Transit and its sub-brands. Backed by over 50 years of experience and with in-house quality assurance, every customer Transit Auto KC8-100861N is a vehicle-specific disc brake kit designed for compatible applications for 2004-2013 Mazda 3 Sport, Mazda 3.

### Key Features

-   Kit includes: 2x Disc Brake Caliper 2x Disc Rotor 1x Brake Pad

### Package include:

-   2x Rear Disc Brake Caliper (Both Side) + 2x Rear Disc Brake Rotor (Both Side) + 1x Rear Ceramic Brake Pad Set (Hardware Included)

### Vehicle Fitment

**Fitment Summary:** 2004-2013 Mazda 3 Sport, 3

**Position:** Rear

-   2013 Mazda 3 Sport — Position: Rear; Fitment Precision: GT and with 2.5L
-   2012 Mazda 3 Sport — Position: Rear; Fitment Precision: GS/GT and with 2.5L
-   2011-2013 Mazda 3 — Position: Rear; Fitment Precision: 2.5L
-   2011 Mazda 3 Sport — Position: Rear; Fitment Precision: 2.5L
-   2010 Mazda 3 — Position: Rear; Fitment Precision: GT and with 2.5L
-   2010-2013 Mazda 3 — Position: Rear; Fitment Precision: Mazdaspeed and with 2.3L
-   2010 Mazda 3 Sport — Position: Rear; Fitment Precision: GS/GT and with 2.5L
-   2004-2009 Mazda 3 — Position: Rear; Fitment Precision: 2.3L

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, fitment precision, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is KC8-100861N.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Disc Brake Kit for Mazda 3 Sport
-   2004-2013 Mazda 3 Sport Disc Brake Kit
-   KC8-100861N fitment
-   Transit Auto Disc Brake Kit
-   Rear Disc Brake Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2013

Mazda

3 Sport

Rear

GT and with 2.5L

2012

Mazda

3 Sport

Rear

GS/GT and with 2.5L

2011

Mazda

3

Rear

2.5L

2012

Mazda

3

Rear

2.5L

2013

Mazda

3

Rear

2.5L

2011

Mazda

3 Sport

Rear

2.5L

2010

Mazda

3

Rear

GT and with 2.5L

2010

Mazda

3

Rear

Mazdaspeed and with 2.3L

2011

Mazda

3

Rear

Mazdaspeed and with 2.3L

2012

Mazda

3

Rear

Mazdaspeed and with 2.3L

## Details

- **Price:** 367.0 CAD
- **Vendor:** Transit Auto
- **Type:** Disc Brake Kit
- **Tags:** 2.5L, 2010 Mazda 3, 2011 Mazda 3, 2011 Mazda 3 Sport, 2012 Mazda 3, 2012 Mazda 3 Sport, 2013 Mazda 3, 2013 Mazda 3 Sport, Automotive Parts, Daily Driver, Direct Replacement, Disc Brake Kit, GS/GT and with 2.5L, GT and with 2.5L, KC8-100861N, Mazdaspeed and with 2.3L, Rear, Transit Auto, Transit Auto KC8-100861N, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 367.00 CAD | In stock |

## Images

- Transit Auto KC8-100861N Disc Brake Kit for 2004-2013 Mazda 3 Sport, Mazda 3 - Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/transit-auto-kc8-100861n-disc-brake-kit-for-2004-2013-mazda-3-sport-mazda-3-rear-kc8-100861n)
> Updated: 2026-06-01