# Genius GCR-G8380OE Front Disc Brake Rotor for 2018-2020 Subaru WRX STI

### Performance Overview

The Genius GCR-G8380OE Disc Brake Rotor is designed as a direct replacement part for compatible Subaru WRX STI applications. It is built to support reliable performance, proper fitment, and straightforward installation when replacing a worn or damaged component.

**Installation Position:** Front

### Key Features

-   Make sure to buy two (2)!
-   (One for left side and one for right side)
-   Engineered with with Carbon-Enhanced G-Cast™ (G11H18/G3000) iron castings to achieve an optimal braking performance (strength
-   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

### Interchange Numbers

**Interchange / Cross Reference Part Numbers:** AR72075, CR72075, PR72075, YH657738, YH657738P, 128.47040, SU-726, R47040, OCG1342, 248882432, 248882432DR, 348882432, 348882432DR, 748882432DR, 748882432, 950237, 610114, 610114DR, EC1982432, 982432FZN, 982432R, 982432, ASU1020, SU1020, BSU1020, G8380OE, DS8380, DS8380OE, G8380, TQ8380, TQ8380OE

Please compare these interchange numbers with your original part number and confirm vehicle compatibility before ordering.

### Vehicle Fitment

Review the vehicle fitment list below to confirm this part matches your vehicle before purchase.

-   2018 Subaru WRX STI
-   2019 Subaru WRX STI
-   2020 Subaru WRX STI

### Vehicle Fitment Table

   

Year

Make

Model

Position

2018

Subaru

WRX STI

Front

2019

Subaru

WRX STI

Front

2020

Subaru

WRX STI

Front

### FAQ

**Will this fit a 2018 Subaru WRX STI?**  
Yes, this Disc Brake Rotor fits the vehicles listed in the Vehicle Fitment section above. Please confirm the year, make, model, and position before ordering.

**What position does this part fit?**  
This part is listed for the Front position on compatible vehicles.

**Can I use the interchange numbers to confirm compatibility?**  
Yes. Compare the interchange or cross-reference numbers shown above with your original part number, then verify the vehicle fitment before ordering.

**Is professional installation recommended?**  
Professional installation is recommended to help ensure proper fit, safe operation, and correct system performance.

### Common Searches

-   Disc Brake Rotor for Subaru WRX STI
-   Front Disc Brake Rotor for 2018 Subaru WRX STI
-   Genius GCR-G8380OE Disc Brake Rotor
-   replacement GCR-G8380OE Disc Brake Rotor
-   2018-2020 Subaru WRX STI Disc Brake Rotor

## Details

- **Price:** 87.02 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 128.4704, 2018 Subaru WRX STI, 2018-2020 Subaru WRX STI, 2018-2020 Subaru WRX STI Disc Brake Rotor, 2019 Subaru WRX STI, 2020 Subaru WRX STI, 248882432, 248882432DR, 348882432, 348882432DR, 610114, 610114DR, 748882432, 748882432DR, 950237, 982432, 982432FZN, 982432R, AI Readable Fitment, AR72075, ASU1020, brake rotor, Brake Rotor fitment, BSU1020, CMX, CR72075, Disc Brake Rotor, Disc Brake Rotor for Subaru WRX STI, DS8380, DS8380OE, EC1982432, Front, Front Disc Brake Rotor for 2018 Subaru WRX STI, G8380, G8380OE, GCR-G8380OE, Genius, Genius Brake Rotor, Genius GCR-G8380OE Disc Brake Rotor, OCG1342, PR72075, R47040, replacement auto part, replacement GCR-G8380OE Disc Brake Rotor, Rotor, SU-726, SU1020, Subaru WRX STI, TQ8380, TQ8380OE, vehicle fitment, YH657738, YH657738P

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 87.02 CAD | In stock |

## Images

- CMX_Disc Brake Rotor_GCR-G8380OE

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/front-coated-disc-brake-rotor-1-piece-only-for-2018-2020-subaru-wrx-sti)
> Updated: 2026-06-02