# Transit Auto KDC-101875 Disc Brake Kit for 2018-2021 Subaru WRX STI - Rear

### Performance Overview

Transit Auto offers the most comprehensive and highest-quality replacement kits on the market. Thanks to our cutting-edge AI, in-house product team, and proprietary fitment data, we are able to build and deliver the most accurate kits on the market. All our kits include the highest-quality parts on the market, sourced directly by Transit and its sub-brands. Backed by over 50 years of experience and with in-house quality assurance, every customer Transit Auto KDC-101875 is a vehicle-specific disc brake kit designed for compatible applications for 2018-2021 Subaru WRX STI.

### Key Features

-   Kit includes: 2x Disc Rotor 1x Brake Pad

### Package include:

-   2x Rear Disc Brake Rotor (Both Side) + 1x Rear Ceramic Brake Pad Set

### Vehicle Fitment

**Fitment Summary:** 2018-2021 Subaru WRX STI

**Position:** Rear

-   2018-2021 Subaru WRX STI — Position: Rear

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, fitment precision, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is KDC-101875.

**Is this product designed for direct replacement?**  
Yes. This product 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 Kit for Subaru WRX STI
-   2018-2021 Subaru WRX STI Disc Brake Kit
-   KDC-101875 fitment
-   Transit Auto Disc Brake Kit
-   Rear Disc Brake Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2018

Subaru

WRX STI

Rear

2019

Subaru

WRX STI

Rear

2020

Subaru

WRX STI

Rear

2021

Subaru

WRX STI

Rear

## Details

- **Price:** 244.5 CAD
- **Vendor:** Transit Auto
- **Type:** Disc Brake Kit
- **Tags:** 2018 Subaru WRX STI, 2019 Subaru WRX STI, 2020 Subaru WRX STI, 2021 Subaru WRX STI, Automotive Parts, Daily Driver, Direct Replacement, Disc Brake Kit, KDC-101875, Rear, Transit Auto, Transit Auto KDC-101875, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 244.50 CAD | In stock |

## Images

- Transit Auto KDC-101875 Disc Brake Kit for 2018-2021 Subaru WRX STI - Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/transit-auto-kdc-101875-disc-brake-kit-for-2018-2021-subaru-wrx-sti-rear-kdc-101875)
> Updated: 2026-07-17