Vehicle Fitment: E-series 1999-2003 F-250 1999-2003 F-350 1999-2003 F-450 1999-2003 F-550 1999-2003 Motorcraft fuel filters are designed to keep harmful particles out of the fuel system to help extend the life of a vehicle. Why Buy: -Every Motorcraft fuel filter delivers the quality and performance the Ford Motor Company is known for. -Motorcraft filters are the only filters recommended for Ford, Lincoln and Mercury vehicles. -Helps prevent stalling, poor starting and potential engine failure. -Helps improve vehicle performance by ensuring a uniform fuel flow. -Helps block impurities and contaminants in your fuel or gas tank before they can enter your engine or clog your injectors. -Flex fuel compatible where required 300-series stainless steel case provides excellent corrosion resistance. -Removes 99.9% of particles 20 microns or larger. -Connector and support washers are brazed for enhanced durability and strength. -Thermal cycling testing done to ensure performance at temperature extremes from -40 to 250 degrees Fahrenheit. -Designed to meet strict SAE specifications.