longshida Hub Locking Vacuum Tube Assembly – Replacement for 7C34-7A784-EB/EC/ED – Compatible with Ford Super Duty F250 F350 F450 F550 (2005-2010) – 4×4 ESOF Pulse Vacuum Hublock Line Kit

["Direct replacement for OE numbers 7C3Z-7A784-C, 7C34-7A784-EB, EC, ED. High-quality rubber and reinforced materials withstand extreme engine bay temperatures, oil exposure, and road salts – built to outlast the original design.","VEHICLE FITMENT – VERIFY BEFORE ORDERING – Compatible with Ford Super Duty F-250, F-350, F-450, F-550 (2005–2010) and Excursion models equipped with factory ESOF / pulse vacuum auto hub system.","DIRECT FIT DIRECT REPLACEMENT – Designed to match the factory routing from the PVH solenoid down to the knuckle-mounted hub vacuum fittings. Includes the check valve and essential connection points. Bolt-on replacement – no cutting, no splicing, no universal hose kits that don’t fit right. Engineered for seamless integration with the existing ESOF system.","HEAT AND CRACK RESISTANT CONSTRUCTION – The original plastic vacuum lines become brittle and break from repeated underhood heat cycles, especially near the exhaust manifold.","This aftermarket assembly is designed to replace Ford PVH system vacuum lines bearing the OE numbers 7C3Z-7A784-C, 7C34-7A784-EB, 7C34-7A784-EC, or 7C34-7A784-ED. These part numbers are found on the original lines running from the PVH solenoid (located near the passenger side firewall/battery area) down to the front axle knuckles."]