# Genius KG-100580 Disc Brake Rotor for 2006-2015 Lexus IS250, Lexus IS350 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:** 2006-2015 Lexus IS250, Lexus IS350, Lexus GS460, Lexus GS350, Lexus GS450h, Lexus GS300

**Position:** Rear

-   2015 Lexus IS250 — Position: Rear | Fitment Precision: C/C F Sport
-   2014 Lexus IS250 — Position: Rear | Fitment Precision: C/F Sport/C F Sport
-   2014-2015 Lexus IS350 — Position: Rear | Fitment Precision: C/C F Sport
-   2013 Lexus IS350 — Position: Rear | Fitment Precision: C/Base
-   2012-2013 Lexus IS250 — Position: Rear | Fitment Precision: Base | Note: With Sport Suspension
-   2010-2013 Lexus IS250 — Position: Rear | Fitment Precision: C
-   2008-2011 Lexus GS460 — Position: Rear
-   2007-2011 Lexus GS350 — Position: Rear
-   2007-2011 Lexus GS450h — Position: Rear
-   2006 Lexus GS300 — 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 2006-2015 Lexus IS250, Lexus IS350, Lexus GS460, Lexus GS350, Lexus GS450h, Lexus GS300.

**What part number is this?**  
The listed part number is KG-100580.

**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 Lexus IS250
-   KG-100580 fitment
-   Genius Disc Brake Rotor
-   Rear Disc Brake Rotor
-   2006-2015 Lexus IS250 Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2015

Lexus

IS250

Rear

C/C F Sport

2014

Lexus

IS250

Rear

C/F Sport/C F Sport

2014

Lexus

IS350

Rear

C/C F Sport

2015

Lexus

IS350

Rear

C/C F Sport

2013

Lexus

IS350

Rear

C/Base

2012

Lexus

IS250

Rear

Base

With Sport Suspension

2013

Lexus

IS250

Rear

Base

With Sport Suspension

2010

Lexus

IS250

Rear

C

2011

Lexus

IS250

Rear

C

2012

Lexus

IS250

Rear

C

2013

Lexus

IS250

Rear

C

2008

Lexus

GS460

Rear

2009

Lexus

GS460

Rear

2010

Lexus

GS460

Rear

2011

Lexus

GS460

Rear

2007

Lexus

GS350

Rear

2008

Lexus

GS350

Rear

2009

Lexus

GS350

Rear

2010

Lexus

GS350

Rear

2011

Lexus

GS350

Rear

2007

Lexus

GS450h

Rear

2008

Lexus

GS450h

Rear

2009

Lexus

GS450h

Rear

2010

Lexus

GS450h

Rear

2011

Lexus

GS450h

Rear

2006

Lexus

GS300

Rear

## Details

- **Price:** 101.48 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 2006-2015 Lexus IS250, Automotive Parts, Brake Parts, Disc Brake Rotor, Genius, KG-100580, Lexus IS250, Rear, Replacement Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 101.48 CAD | In stock |

## Images

- Genius KG-100580 Disc Brake Rotor for 2006-2015 Lexus IS250, Lexus IS350 and More - Rear

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> Source: [Standard Auto Part](www.standardautopart.com/products/genius-kg-100580-disc-brake-rotor-2006-2015-lexus-is250)
> Updated: 2026-06-10