Cummins Block Heater Cable 89-24 Ram 5.9L / 6.7L / Cummins. Fits: 1989 - 1993 Ram 5.9L Cummins; 1994 - 1998 Ram 5.9L Cummins; 1994 - 2002 Ram 5.9L Cummins; 1998.5 - 2002 Ram 5.9L 24-Valve Cummins; 2003 - 2004 Ram 5.9L Cummins; 2004.5 - 2007 Ram 5.9L Cummins; 2007.5 - 2009 Ram 6.7L Cummins; 2010 - 2018 Ram 6.7L Cummins; 2019 - 2024 Ram 6.7L Cummins.