Fits for GM 6.6L Duramax Diesel, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 to present. Similar to J-45910, replaces OTC-7222. A Set of 7222 Injector Tube Remover/Installer Tool (4Pcs).