# Transit Auto K8S-104044 Rear Disc Brake Kit for 2019-2023 Mazda CX-30, Mazda 3, Mazda 3 Sport

### 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 K8S-104044 is a vehicle-specific disc brake kit designed for compatible applications for 2019-2023 Mazda CX-30, 3, 3 Sport.

### Key Features

-   Exclusive MetalliX™ Low Resin Semi-Metallic compound provides unmatched braking performance (Abrasive Friction, Temperature Tolerance, Compound Warming) while
-   Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched
-   Rubberized Multi-Layer Stainless Steel Shim reduces noise, vibration, and harshness for complete quietness
-   100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
-   Engineered with High Carbon SteelRX™ alloy (Pressure Resistant, Thermal Conductive) and dipped in an Anti-Rust Black Paint to improve durability

### Vehicle Fitment

**Fitment Position:** Rear

**Fitment Summary:** 2019-2023 Mazda CX-30, 3, 3 Sport

**Position:** Rear

-   2020-2023 Mazda CX-30 — Position: Rear; Note: With 264mm Diameter Rear Rotor
-   2019-2023 Mazda 3 — Position: Rear
-   2019-2022 Mazda 3 Sport — Position: Rear

### FAQ

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

**What part number is this?**  
The listed part number is K8S-104044.

**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 CX-30
-   Disc Brake Kit for Mazda CX-30
-   K8S-104044 fitment
-   Transit Auto Disc Brake Kit
-   Rear Disc Brake Kit
-   2019 Mazda CX-30 Disc Brake Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2020

Mazda

CX-30

Rear

With 264mm Diameter Rear Rotor

2021

Mazda

CX-30

Rear

With 264mm Diameter Rear Rotor

2022

Mazda

CX-30

Rear

With 264mm Diameter Rear Rotor

2023

Mazda

CX-30

Rear

With 264mm Diameter Rear Rotor

2019

Mazda

3

Rear

2020

Mazda

3

Rear

2021

Mazda

3

Rear

2022

Mazda

3

Rear

2023

Mazda

3

Rear

2019

Mazda

3 Sport

Rear

## Details

- **Price:** 88.12 CAD
- **Vendor:** Transit Auto
- **Type:** Disc Brake Kit
- **Tags:** 2019 Mazda 3, 2019 Mazda 3 Sport, 2020 Mazda 3, 2020 Mazda CX-30, 2021 Mazda 3, 2021 Mazda CX-30, 2022 Mazda 3, 2022 Mazda CX-30, 2023 Mazda 3, 2023 Mazda CX-30, Automotive Parts, Daily Driver, Direct Replacement, Disc Brake Kit, Disc Rotors and Semi-Metallic Brake Pads Kit, K8S-104044, Rear, Transit Auto, Transit Auto K8S-104044, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 88.12 CAD | In stock |

## Images

- Transit Auto K8S-104044 Disc Brake Kit for 2019-2023 Mazda CX-30, Mazda 3, Mazda 3 Sport - Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/transit-auto-k8s-104044-disc-brake-kit-for-2019-2023-mazda-cx-30-mazda-3-mazda-3-sport-rear-k8s-104044)
> Updated: 2026-06-03