Description??Easy to install,no modification required.Manufactured with Precision. High Quality and Quality Guaranteed.Part Numbers:2C3Z-13A576-DAFit For:For 2002-2004 Ford F-350 Super Duty Pickup TruckFor 2002-2004 Ford F-250 Super Duty Pickup TruckImportant Fitment Note : All Models w/ Light and Heavy Duty Trailer Tow Package(s) Equipped with the 7 4 Pin Connector Please check the OE Number before purchase and check pictures for more detailsAfter-Sales Service:If You Have Other Questions, You Can Just Contact Us, And We Will Reply You As Soon As Possible. We Offer A 1 Year Warranty, 100% Satisfaction Guarantee.