Compatibility Vehicle: 1998-2003 Ford E-3501999-2003 Ford E-450 2002-2003 Ford E-550 1998-1999 Ford Econoline Super Duty 2000-2003 Ford Excursion 1999-2003 Ford F-250 Super Duty 1999-2003 Ford F-350 Super Duty1999-2003 Ford F-450 Super Duty1999-2003 Ford F-550 Super Duty About Cooling Fan: -OE design to ensure exact fit, form and function for an easy drop-in installation; -ISO 9001 certified manufacturing plants; -ABS Plastic with Metal Motor; -Built to strict quality control standards; How to Replace the Cooling Fan? Step 1 - Locate and disconnect the electrical connector for the cooling fan. .