The DFC rear brake hose for 2017–2021 Tesla Model Y is a replacement hydraulic line that connects the vehicle brake plumbing to the rear calipers, helping maintain correct fluid transfer for braking. Specified for the rear position across those Model Y years, it offers a fitment-focused replacement option for common brake system service when the factory hose is aged or leaking.
DFC 17-21 Tesla Model Y Rear Brake Hose