The DFC brake master cylinder for 1990–1991 Audi 100 is the hydraulic unit that converts driver pedal input into brake line pressure to operate the brakes. Offered as a replacement, it addresses common issues like leaks or worn internals to help reestablish proper pedal feel and braking reliability. This master cylinder is intended for Audi 100 models from 1990 to 1991.
DFC 90-91 Audi 100 Brake Master Cylinder