The Genuine Ford Mount Bolt Retainer Nut -W717703-S439 is a direct replacement part specifically designed for the Ford F-250 Super Duty and F-350 Super Duty models. Manufactured by Ford, this OEM nut ensures a perfect fit and genuine quality for your vehicle. With a set of 2 included, this product is suitable for a wide range of years including 2017 to 2024. Easy to install and built to last, this mount bolt retainer nut is the ideal choice for your Ford truck's exterior maintenance needs.