The DFC brake master cylinder for 2015–2021 Audi A3 Quattro is the hydraulic actuator that turns pedal motion into brake line pressure, allowing the braking system to engage. As a replacement part, it is intended to remedy leaks, internal wear, or diminished pedal response and help reestablish consistent braking. Suited for Audi A3 Quattro models from 2015 to 2021.
DFC 15-21 Audi A3 Quattro Brake Master Cylinder