The DFC front-left brake hose for 2017–2024 Audi A4 models is a direct-fit flexible hydraulic line intended to replace the factory front-left hose and preserve proper brake fluid delivery and pedal response. Specified for A4 front-left applications across those years, it provides a straightforward OE-style replacement for routine brake maintenance and brake-line repair.
DFC 17-24 Audi A4 Front-L Brake Hose