Outer Bearing Nut. Genuine OEM. The engine types may include 6.4L 391 Cu. V10 GAS SOHC Naturally Aspira ted,7.3L 7292CC 445Cu. V8 GAS OHV Naturally Aspirated. This part fits vehicles made in the following years 2008,2009,2010,2017 ,2018,2019,2020,2021,2022.