# CMX K8C-101666 Rear Disc Brake Kit for 2016-2024 Hyundai Elantra GT, Kia Forte5, Hyundai Sonata & more

### 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 CMX K8C-101666 is a vehicle-specific disc brake kit designed for compatible applications for 2016-2024 Hyundai, Kia Elantra GT, Forte5, Sonata, Optima, Soul EV.

### Key Features

-   Exclusive CeramiX™ High-Density Ceramic compound provides optimal braking performance (Stable Friction, High Temperature Stability, Extended Lifetime
-   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 increase durability

### Vehicle Fitment

**Fitment Position:** Rear

**Fitment Summary:** 2016-2024 Hyundai, Kia Elantra GT, Forte5, Sonata, Optima, Soul EV

**Position:** Rear

-   2020 Hyundai Elantra GT — Position: Rear; Fitment Precision: N Line
-   2020-2024 Kia Forte5 — Position: Rear; Note: With Electric Parking Brake
-   2019 Hyundai Elantra GT — Position: Rear; Fitment Precision: Base/Luxury/Preferred; Note: With Electric Parking Brake
-   2018 Hyundai Elantra GT — Position: Rear; Fitment Precision: Base/GL/GLS; Note: With Electric Parking Brake
-   2018 Hyundai Elantra GT — Position: Rear; Fitment Precision: Sport/Sport Ultimate
-   2017-2019 Hyundai Sonata — Position: Rear; Note: With Electric Parking Brake
-   2017-2020 Kia Optima — Position: Rear; Note: With Electric Parking Brake
-   2017-2019 Kia Soul EV — Position: Rear
-   2016 Hyundai Sonata — Position: Rear; Fitment Precision: FULL HYBRID EV-GAS (FHEV) engine; Note: With Electric Parking Brake
-   2016 Kia Optima — Position: Rear; Fitment Precision: SX/SXL/SX Limited; Note: With Electric Parking Brake

### 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 K8C-101666.

**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 Elantra GT
-   Disc Brake Kit for Hyundai Elantra GT
-   K8C-101666 fitment
-   CMX Disc Brake Kit
-   Rear Disc Brake Kit
-   2016 Hyundai Elantra GT Disc Brake Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2020

Hyundai

Elantra GT

Rear

N Line

2020

Kia

Forte5

Rear

With Electric Parking Brake

2021

Kia

Forte5

Rear

With Electric Parking Brake

2022

Kia

Forte5

Rear

With Electric Parking Brake

2023

Kia

Forte5

Rear

With Electric Parking Brake

2024

Kia

Forte5

Rear

With Electric Parking Brake

2019

Hyundai

Elantra GT

Rear

Base/Luxury/Preferred

With Electric Parking Brake

2018

Hyundai

Elantra GT

Rear

Base/GL/GLS

With Electric Parking Brake

2018

Hyundai

Elantra GT

Rear

Sport/Sport Ultimate

2017

Hyundai

Sonata

Rear

With Electric Parking Brake

## Details

- **Price:** 103.8 CAD
- **Vendor:** CMX
- **Type:** Disc Brake Kit
- **Tags:** 2017 Hyundai Sonata, 2018 Hyundai Elantra GT, 2019 Hyundai Elantra GT, 2020 Hyundai Elantra GT, 2020 Kia Forte5, 2021 Kia Forte5, 2022 Kia Forte5, 2023 Kia Forte5, 2024 Kia Forte5, Automotive Parts, CMX, CMX K8C-101666, Daily Driver, Direct Replacement, Disc Brake Kit, Disc Rotors and Ceramic Brake Pads Kit, K8C-101666, Rear, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 103.80 CAD | In stock |

## Images

- CMX K8C-101666 Disc Brake Kit for 2016-2024 Hyundai Elantra GT, Kia Forte5, Hyundai Sonata & more - Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cmx-k8c-101666-disc-brake-kit-for-2016-2024-hyundai-elantra-gt-kia-forte5-hyundai-sonata-and-more-rear-k8c-101666)
> Updated: 2026-06-03