The DFC rear brake hose for 1999–2004 Ford F-450 Super Duty (rear left lower) is a vehicle-specific hydraulic hose that links the hard brake line to the rear caliper. Intended as the correct replacement for the noted application, it is used when replacing compromised rear hoses to restore flexible fluid delivery and ensure proper routing and movement at the rear axle during braking.
DFC 99-04 Ford F-450 Super Duty Rear-L lo/Rr L Lo Brake Hose