The DFC rear brake hose for 2015–2024 Audi S4 models is a direct-fit flexible line designed to replace the factory rear hose and maintain correct brake fluid delivery and pedal response. Specified for S4 rear applications in those years, it provides a simple OE-style replacement option for routine brake system maintenance and repairs.
DFC 15-24 Audi S4 Rear Brake Hose