The DFC rear upper brake hose for 2010–2016 Ford F‑350 Super Duty 4WD is a direct replacement specified for the rear upper position on Super Duty four‑wheel‑drive models. It restores the hydraulic link between chassis brake lines and the rear brake hardware. The source explicitly lists this fitment range and location, so this hose is for technicians and owners replacing rear upper hoses on those F‑350 4WD years.
DFC 10-16 Ford F-350 Super Duty 4WD Rear-R up/Rear Upper Brake Hose