The DFC rear left brake hose for 2019–2023 Buick Envision is a replacement flexible hydraulic line that links the chassis to the rear left wheel brake, carrying brake fluid to enable proper braking function. It serves the rear left position and matches the factory routing and role. Fitment is specific to Buick Envision models from 2019 through 2023; install and bleed the brake system after replacement.
DFC 19-23 Buick Envision Rear-L Brake Hose