# Genius KG-100538 Disc Brake Rotor for 2004-2009 Lexus RX350, Lexus RX400h 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:** 2004-2009 Lexus RX350, Lexus RX400h, Lexus RX330, Toyota Highlander

**Position:** Rear

-   2007-2009 Lexus RX350 — Position: Rear
-   2006-2008 Lexus RX400h — Position: Rear
-   2004-2006 Lexus RX330 — Position: Rear
-   2004-2007 Toyota Highlander — 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 2004-2009 Lexus RX350, Lexus RX400h, Lexus RX330, Toyota Highlander.

**What part number is this?**  
The listed part number is KG-100538.

**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 RX350
-   KG-100538 fitment
-   Genius Disc Brake Rotor
-   Rear Disc Brake Rotor
-   2004-2009 Lexus RX350 Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2007

Lexus

RX350

Rear

2008

Lexus

RX350

Rear

2009

Lexus

RX350

Rear

2006

Lexus

RX400h

Rear

2007

Lexus

RX400h

Rear

2008

Lexus

RX400h

Rear

2004

Lexus

RX330

Rear

2005

Lexus

RX330

Rear

2006

Lexus

RX330

Rear

2004

Toyota

Highlander

Rear

2005

Toyota

Highlander

Rear

2006

Toyota

Highlander

Rear

2007

Toyota

Highlander

Rear

## Details

- **Price:** 88.03 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 2004-2009 Lexus RX350, Automotive Parts, Brake Parts, Disc Brake Rotor, Genius, KG-100538, Lexus RX350, Rear, Replacement Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 88.03 CAD | In stock |

## Images

- Genius KG-100538 Disc Brake Rotor for 2004-2009 Lexus RX350, Lexus RX400h and More - Rear

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> Source: [Standard Auto Part](www.standardautopart.com/products/genius-kg-100538-disc-brake-rotor-2004-2009-lexus-rx350)
> Updated: 2026-06-10