Original equipment engine heater hoses often fail due to brittle plastic Y-connectors. This Dorman OE FIX hose assembly features a metal connector for a more durable replacement. Product Features:Upgraded replacement - this engine coolant overflow hose upgrades the failure-prone plastic Y-connectors on the original part to metal for greater durabilityApplication specific - made to match fit and function of the original hose on certain Ford Super Duty trucksProfessionally tested - this part was leak-tested in extreme heats to ensure proper performanceQuality engineering - designed in the United States and backed by decades of automotive aftermarket experience