# Genius KG-100391 Disc Brake Rotor for 2004-2016 Chevrolet Impala Limited, Chevrolet Impala and More - 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:** 2004-2016 Chevrolet Impala Limited, Chevrolet Impala, Buick Allure, Buick LaCrosse, Pontiac Grand Prix

**Position:** Rear

-   2014-2016 Chevrolet Impala Limited — Position: Rear
-   2011-2013 Chevrolet Impala — Position: Rear
-   2010 Chevrolet Impala — Position: Rear | Note: Without Drum In Hat Parking Brake
-   2009 Buick Allure — Position: Rear | Fitment Precision: CX/CXL
-   2009 Buick LaCrosse — Position: Rear | Fitment Precision: CX/CXL
-   2008 Buick Allure — Position: Rear | Fitment Precision: 3.8L/3.6L
-   2008 Buick LaCrosse — Position: Rear | Fitment Precision: 3.8L/3.6L
-   2005-2007 Buick Allure — Position: Rear
-   2005-2007 Buick LaCrosse — Position: Rear
-   2005-2008 Pontiac Grand Prix — Position: Rear | Fitment Precision: 3.8L

### 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 2004-2016 Chevrolet Impala Limited, Chevrolet Impala, Buick Allure, Buick LaCrosse, Pontiac Grand Prix.

**What part number is this?**  
The listed part number is KG-100391.

**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 Chevrolet Impala Limited
-   KG-100391 fitment
-   Genius Disc Brake Rotor
-   Rear Disc Brake Rotor
-   2004-2016 Chevrolet Impala Limited Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2014

Chevrolet

Impala Limited

Rear

2015

Chevrolet

Impala Limited

Rear

2016

Chevrolet

Impala Limited

Rear

2011

Chevrolet

Impala

Rear

2012

Chevrolet

Impala

Rear

2013

Chevrolet

Impala

Rear

2010

Chevrolet

Impala

Rear

Without Drum In Hat Parking Brake

2009

Buick

Allure

Rear

CX/CXL

2009

Buick

LaCrosse

Rear

CX/CXL

2008

Buick

Allure

Rear

3.8L/3.6L

2008

Buick

LaCrosse

Rear

3.8L/3.6L

2005

Buick

Allure

Rear

2006

Buick

Allure

Rear

2007

Buick

Allure

Rear

2005

Buick

LaCrosse

Rear

2006

Buick

LaCrosse

Rear

2007

Buick

LaCrosse

Rear

2005

Pontiac

Grand Prix

Rear

3.8L

2006

Pontiac

Grand Prix

Rear

3.8L

2007

Pontiac

Grand Prix

Rear

3.8L

2008

Pontiac

Grand Prix

Rear

3.8L

2004

Pontiac

Grand Prix

Rear

## Details

- **Price:** 78.01 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 2004-2016 Chevrolet Impala Limited, Automotive Parts, Brake Parts, Chevrolet Impala Limited, Disc Brake Rotor, Genius, KG-100391, Rear, Replacement Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 78.01 CAD | In stock |

## Images

- Genius KG-100391 Disc Brake Rotor for 2004-2016 Chevrolet Impala Limited, Chevrolet Impala and More - Rear

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/genius-kg-100391-disc-brake-rotor-2004-2016-chevrolet-impala-limited)
> Updated: 2026-07-16