Motorcraft HVAC fuel hose assemblies are designed using Ford Motor Company factory specs for precise fit finish and application suitability. Every Motorcraft HVAC heater hose assembly is manufactured from first-quality materials to help maximize chemical resistance and ensure performance across extreme temperatures. Reinforced wall design helps minimize heat loss. Backed by the Motorcraft Service Parts Warranty which offers 3 years and no commercial exceptions. Warranty is supported nationwide by Ford/Lincoln dealers and Ford Authorized Distributors. The only HVAC heater hose assemblies recommended by Ford Motor Company for Ford Lincoln and Mercury vehicles. Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality integrity and long-lasting performance of every Ford car or truck. As with all Motorcraft and Ford Parts any innovations or improvements developed since the manufacture of the vehicle are included in these after market replacement parts ensuring the most current technology and performance Motorcraft HVAC heater hose assemblies are engineered to provide original equipment performance and reliability. All Motorcraft hose assembly designs undergo rigorous lab and real world tests in order to meet Ford engineering standards. Designs include te Vehicle Linkages Medium/Heavy Truck Ford E-450 Super Duty: 2004 - 2010 Car/Truck Ford E-350 Club Wagon: 2004 E-350 Super Duty: 2004 - 2010