Yukon Gear & Axle Dana 60 Dura Grip Positraction. Fits: 1989 - 1993 Ram 5.9L Cummins; 1994 - 2002 Ram 5.9L Cummins; 1999 - 2003 Ford 7.3L Powerstroke; 2003 - 2007 Ford 6.0L Powerstroke; 2008 - 2010 Ford 6.4L Powerstroke; 2011 - 2016 Ford 6.7L Powerstroke; 2017 - 2019 Ford 6.7L Powerstroke.