# Genius GCR-981990 Rear Disc Brake Rotor for 2016-2024 Mazda MX-5 Miata, Fiat 124 Spider, Mazda MX-5

### Performance Overview

Genius has been the undisputed leader in coated rotor manufacturing for the last 15 years thanks to it's groundbreaking lab engineered G-Cast™ iron cast and G-Coat™ dipped coating. Genius in-house engineered managed to develop the best combination of iron cast and coating to produce unmatched protection that adhere and stay durable for the lifetime of the rotor, without compromising on the rotor braking performance. With a long-established presence in the industry, Genius has garnered the trust and loyalty of countless customers across the continent. Their disc rotors and drums are known for their durable coating without compromise. Genius' commitment to excellence has solidified their position as the go-to brand for professionals and car enthusiasts seeking convenient and durable rotors in North America.This disc Brake Rotor is listed for 2016-2024 Mazda MX-5, Fiat 124 Spider, Mazda MX-5 Miata. Please review the fitment chart before ordering.

### Key Features

-   Designed as a direct replacement disc Brake Rotor for compatible vehicle applications
-   Built for dependable daily driving performance and consistent fitment
-   Application-specific design helps support proper installation and function

### Package include:

-   1x Rear Disc Brake Rotor

### Vehicle Fitment

**Fitment Summary:** 2016-2024 Mazda MX-5, Fiat 124 Spider, Mazda MX-5 Miata

**Position:** Rear

-   2021-2022 Mazda MX-5 — Position: Rear
-   2017-2020 Fiat 124 Spider — Position: Rear
-   2016-2024 Mazda MX-5 Miata — Position: Rear

### FAQ

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

**What part number is this?**  
The listed part number is GCR-981990.

**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 Rotor for Mazda MX-5
-   2016-2024 Mazda MX-5 disc Brake Rotor
-   GCR-981990 fitment
-   Genius disc Brake Rotor
-   Rear disc Brake Rotor
-   disc Brake Rotor for Fiat 124 Spider

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2021

Mazda

MX-5

Rear

2022

Mazda

MX-5

Rear

2017

Fiat

124 Spider

Rear

2018

Fiat

124 Spider

Rear

2019

Fiat

124 Spider

Rear

2020

Fiat

124 Spider

Rear

2016

Mazda

MX-5 Miata

Rear

2017

Mazda

MX-5 Miata

Rear

2018

Mazda

MX-5 Miata

Rear

2019

Mazda

MX-5 Miata

Rear

2020

Mazda

MX-5 Miata

Rear

2021

Mazda

MX-5 Miata

Rear

2022

Mazda

MX-5 Miata

Rear

2023

Mazda

MX-5 Miata

Rear

2024

Mazda

MX-5 Miata

Rear

## Details

- **Price:** 36.7 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 120.45087, 2016 Mazda MX-5 Miata, 2016-2024 Mazda MX-5 Miata, 2017 Fiat 124 Spider, 2017 Mazda MX-5 Miata, 2017-2020 Fiat 124 Spider, 2018 Fiat 124 Spider, 2018 Mazda MX-5 Miata, 2019 Fiat 124 Spider, 2019 Mazda MX-5 Miata, 2020 Fiat 124 Spider, 2020 Mazda MX-5 Miata, 2021 Mazda MX-5, 2021 Mazda MX-5 Miata, 2021-2022 Mazda MX-5, 2022 Mazda MX-5, 2022 Mazda MX-5 Miata, 2023 Mazda MX-5 Miata, 2024 Mazda MX-5 Miata, 2488812237, 2940783, 3488812237, 610023, 7488812237, 940783, 981990, 981990FZN, 981990R, AI Readable Fitment, AMA1022, AR65565, BMA1022, brake rotor, Brake Rotor fitment, CMX, CR65565, Disc Brake Rotor, Disc Brake Rotor for Mazda MX-5 Miata, EC1981990, Fiat 124 Spider, GCR-981990, Genius, Genius Brake Rotor, Genius GCR-981990 Disc Brake Rotor, MA-8102, MA1022, Mazda MX-5, Mazda MX-5 Disc Brake Rotor, Mazda MX-5 Miata, OCG1370, PR65565, Rear, Rear Disc Brake Rotor for 2016 Mazda MX-5 Miata, replacement auto part, replacement GCR-981990 Disc Brake Rotor, Rotor, vehicle fitment, YH566232, YH566232P

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 36.70 CAD | In stock |

## Images

- CMX_Disc Brake Rotor_GCR-981990

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/rear-coated-disc-brake-rotor-1-piece-only-for-mazda-mx-5-miata-fiat-124-spider)
> Updated: 2026-06-06