# Genius KG-100946 Disc Brake Rotor for 2003-2009 Toyota 4Runner, Lexus GX470 - Front and 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:

-   4x Disc Brake Rotor

### Vehicle Fitment

**Fitment Summary:** 2003-2009 Toyota 4Runner, Lexus GX470

**Position:** Front and Rear

-   2006-2009 Toyota 4Runner — Position: Front and Rear | Note: With 338mm Diameter Front Rotor
-   2003-2009 Lexus GX470 — Position: Front and Rear
-   2003-2005 Toyota 4Runner — Position: Front and Rear | Note: With 17" Factory Wheels

### 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 2003-2009 Toyota 4Runner, Lexus GX470.

**What part number is this?**  
The listed part number is KG-100946.

**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 Toyota 4Runner
-   KG-100946 fitment
-   Genius Disc Brake Rotor
-   Front and Rear Disc Brake Rotor
-   2003-2009 Toyota 4Runner Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2006

Toyota

4Runner

Front and Rear

With 338mm Diameter Front Rotor

2007

Toyota

4Runner

Front and Rear

With 338mm Diameter Front Rotor

2008

Toyota

4Runner

Front and Rear

With 338mm Diameter Front Rotor

2009

Toyota

4Runner

Front and Rear

With 338mm Diameter Front Rotor

2003

Lexus

GX470

Front and Rear

2004

Lexus

GX470

Front and Rear

2005

Lexus

GX470

Front and Rear

2006

Lexus

GX470

Front and Rear

2007

Lexus

GX470

Front and Rear

2008

Lexus

GX470

Front and Rear

2009

Lexus

GX470

Front and Rear

2003

Toyota

4Runner

Front and Rear

With 17" Factory Wheels

2004

Toyota

4Runner

Front and Rear

With 17" Factory Wheels

2005

Toyota

4Runner

Front and Rear

With 17" Factory Wheels

## Details

- **Price:** 228.23 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 2003-2009 Toyota 4Runner, Automotive Parts, Brake Parts, Disc Brake Rotor, Front and Rear, Genius, KG-100946, Replacement Parts, Toyota 4Runner, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 228.23 CAD | In stock |

## Images

- Genius KG-100946 Disc Brake Rotor for 2003-2009 Toyota 4Runner, Lexus GX470 - Front and Rear

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> Source: [Standard Auto Part](www.standardautopart.com/products/genius-kg-100946-disc-brake-rotor-2003-2009-toyota-4runner)
> Updated: 2026-06-10