The DFC rear brake hose for 2006–2023 Audi A3 models is a direct-fit flexible hydraulic line meant to replace the factory rear hose and ensure proper brake fluid routing and pedal feel. Specified for A3 rear applications over that span, it functions as an OE-style replacement to support routine brake maintenance and straightforward hydraulic repairs.
DFC 06-23 Audi A3 Rear Brake Hose