# CMX SLC-SCB3649 Rear Left Disc Brake Caliper for 2019-2021 Mazda CX-3

### Performance Overview

The CMX SLC-SCB3649 Disc Brake Caliper is designed as a direct replacement part for compatible Mazda CX-3 applications. It is built to support reliable performance, proper fitment, and straightforward installation when replacing a worn or damaged component.

**Installation Position:** Rear Left

### Key Features

-   CMX new calipers are manufactured to exacting OE standards to ensure a perfect performance for the life of the vehicle
-   Reinforced piston (FeSi) features higher tolerance to pressure and increased wear resistance
-   High temperature EPDM rubber dust boots and premium silicone lubricant are used for a smoother operation and an extended product life
-   Installation mounting bracket is included where applicable for a hassle-free installation
-   Part Reference Numbers : SLB21257 SC3649 TBD 10-08339-1 CN4902

### Interchange Numbers

**Interchange / Cross Reference Part Numbers:** SLB21257, SC3649, TBD, 10-08339-1, CN4902

Please compare these interchange numbers with your original part number and confirm vehicle compatibility before ordering.

### Vehicle Fitment

Review the vehicle fitment list below to confirm this part matches your vehicle before purchase.

-   2019 Mazda CX-3
-   2020 Mazda CX-3
-   2021 Mazda CX-3

### Vehicle Fitment Table

   

Year

Make

Model

Position

2019

Mazda

CX-3

Rear Left

2020

Mazda

CX-3

Rear Left

2021

Mazda

CX-3

Rear Left

### FAQ

**Will this fit a 2019 Mazda CX-3?**  
Yes, this Disc Brake Caliper fits the vehicles listed in the Vehicle Fitment section above. Please confirm the year, make, model, and position before ordering.

**What position does this part fit?**  
This part is listed for the Rear Left position on compatible vehicles.

**Can I use the interchange numbers to confirm compatibility?**  
Yes. Compare the interchange or cross-reference numbers shown above with your original part number, then verify the vehicle fitment before ordering.

**Is professional installation recommended?**  
Professional installation is recommended to help ensure proper fit, safe operation, and correct system performance.

### Common Searches

-   Disc Brake Caliper for Mazda CX-3
-   Rear Left Disc Brake Caliper for 2019 Mazda CX-3
-   CMX SLC-SCB3649 Disc Brake Caliper
-   replacement SLC-SCB3649 Disc Brake Caliper
-   2019-2021 Mazda CX-3 Disc Brake Caliper

## Details

- **Price:** 121.52 CAD
- **Vendor:** CMX
- **Type:** Disc Brake Caliper
- **Tags:** 10-08339-1, 2019 Mazda CX-3, 2019-2021 Mazda CX-3 Disc Brake Caliper, 2020 Mazda CX-3, 2021 Mazda CX-3, Brake Caliper, CMX, CMX SLC-SCB3649 Disc Brake Caliper, CN4902, Disc Brake Caliper, Disc Brake Caliper for Mazda CX-3, Rear Left, Rear Left Disc Brake Caliper for 2019 Mazda CX-3, replacement auto part, replacement SLC-SCB3649 Disc Brake Caliper, SC3649, SLB21257, SLC-SCB3649, TBD, vehicle fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 121.52 CAD | In stock |

## Images

- CMX_Disc Brake Caliper_SLC-SCB3649

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/rear-left-disc-brake-caliper-for-2019-2021-mazda-cx-3-slc-scb3649)
> Updated: 2026-06-02