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 q...

Key Features

• AmeriBRAKES pads are engineered with vehicle-optimized formulas matching OE specs for optimal braking
• Engineered with with Carbon-Enhanced G-Cast™ (G11H18/G3000) iron castings to achieve an optimal braking performance (strength, stability, durability)
• Exclusive carbon enhanced materials to ensure optimal all-condition performance
• Exclusive G-Coat™ double-layer (8µm) protective coating provides rust protection on 100% of the non-braking surface
• 1:1 OE Design - Chamfered and slotted only when applicable to ensure safety and perfect fit
• 100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed

Package include:

• 2x Disc Brake Rotor
• 1x Brake Pad Set

Vehicle Fitment

Fitment Summary: 2004-2013 Mazda 3 Sport, Mazda 3

Position: Rear

• 2013 Mazda 3 Sport — Position: Rear | Fitment Precision: GT and with 2.5L
• 2012 Mazda 3 Sport — Position: Rear | Fitment Precision: GS/GT and with 2.5L
• 2011-2013 Mazda 3 — Position: Rear | Fitment Precision: 2.5L
• 2011 Mazda 3 Sport — Position: Rear | Fitment Precision: 2.5L
• 2010 Mazda 3 — Position: Rear | Fitment Precision: GT and with 2.5L
• 2010-2013 Mazda 3 — Position: Rear | Fitment Precision: Mazdaspeed and with 2.3L
• 2010 Mazda 3 Sport — Position: Rear | Fitment Precision: GS/GT and with 2.5L
• 2004-2009 Mazda 3 — Position: Rear | Fitment Precision: 2.3L

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 2004-2013 Mazda 3 Sport, Mazda 3.

What part number is this?
The listed part number is KGA-103931.

Is this product designed for direct replacement?
Yes. This Disc Brake Kit 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 Mazda 3 Sport
• KGA-103931 fitment
• Transit Auto Disc Brake Kit
• Rear Disc Brake Kit
• 2004-2013 Mazda 3 Sport Disc Brake Kit

Vehicle Fitment Table