GM Oil Galley Plug 2001-2020 GM 6.6L Durramax LB7 LLY LBZ LMM LML L5P 12651561
For 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 GM 6.6L Durramax. LB7 LLY LBZ LMM LML L5P
These MUST be removed for a proper block cleaning after machining. Dont risk expensive engine damage from debris left in oil galleys 4 required per engine.
