Sinister Diesel Billet Oil Fill Cap 99-10 Ford Powerstroke | 07.5-19 Ram 6.7L Cummins. Fits: 1999 - 2003 Ford 7.3L Powerstroke; 2003 - 2007 Ford 6.0L Powerstroke; 2007.5 - 2009 Ram 6.7L Cummins; 2008 - 2010 Ford 6.4L Powerstroke; 2010 - 2018 Ram 6.7L Cummins; 2019 - 2024 Ram 6.7L Cummins.