LH Oil Pump Drive Gear Nut, 2001-2016 GM 6.6L Duramax LB7 LLY LBZ LMM

For 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax LB7 LLY LBZ LMM 

NOTE: For use with pumps with LH thread as denoted by an L on the end of the drive shaft.