# Genius KG-100643 Disc Brake Rotor for 2012-2019 Fiat 500 - Rear

### 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 conative. 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 performan...

### Key Features

-   Engineered with with Carbon-Enhanced G-Cast™ (G11H18/G3000) iron castings to achieve an optimal braking performance (strength, stability, durability)
-   Exclusive G-Coat™ double-layer (8µm) protective coating provides rust protection on 100% of the non-braking surface
-   100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
-   Cross-Hatched smooth surface to improve the pad's ability to grip the rotor surface, especially during initial brake applications or in wet conditions
-   Double disc ground finish eliminates lateral run-out and DTV (disk thickness variation) issues on the rotor and improves pad-rotor bed-in
-   Tested for maximum tolerance to voluminous amount of constant thermal cycles

### Package include:

-   2x Disc Brake Rotor

### Vehicle Fitment

**Fitment Summary:** 2012-2019 Fiat 500

**Position:** Rear

-   2019 Fiat 500 — Position: Rear | Fitment Precision: Pop/Lounge/c Pop/c Lounge/Abarth/Abarth Cabrio/1957 Retro Edition
-   2018 Fiat 500 — Position: Rear | Fitment Precision: Pop/Lounge/c Pop/c Lounge/Abarth/Abarth Cabrio
-   2014-2017 Fiat 500 — Position: Rear | Fitment Precision: Naturally Aspirated
-   2013 Fiat 500 — Position: Rear | Fitment Precision: Naturally Aspirated/Turbocharged
-   2012 Fiat 500 — 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. This listing includes fitment data for 2012-2019 Fiat 500.

**What part number is this?**  
The listed part number is KG-100643.

**Is this product designed for direct replacement?**  
Yes. This Disc Brake Rotor 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 Fiat 500
-   KG-100643 fitment
-   Genius Disc Brake Rotor
-   Rear Disc Brake Rotor
-   2012-2019 Fiat 500 Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2019

Fiat

500

Rear

Pop/Lounge/c Pop/c Lounge/Abarth/Abarth Cabrio/1957 Retro Edition

2018

Fiat

500

Rear

Pop/Lounge/c Pop/c Lounge/Abarth/Abarth Cabrio

2014

Fiat

500

Rear

Naturally Aspirated

2015

Fiat

500

Rear

Naturally Aspirated

2016

Fiat

500

Rear

Naturally Aspirated

2017

Fiat

500

Rear

Naturally Aspirated

2013

Fiat

500

Rear

Naturally Aspirated/Turbocharged

2012

Fiat

500

Rear

## Details

- **Price:** 68.62 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 2012-2019 Fiat 500, Automotive Parts, Brake Parts, Disc Brake Rotor, Fiat 500, Genius, KG-100643, Rear, Replacement Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 68.62 CAD | In stock |

## Images

- Genius KG-100643 Disc Brake Rotor for 2012-2019 Fiat 500 - Rear

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> Source: [Standard Auto Part](www.standardautopart.com/products/genius-kg-100643-disc-brake-rotor-2012-2019-fiat-500)
> Updated: 2026-06-10