ACDelco 94011695 OE Oil Pressure Relief Valve Seal, Back Side of Front Cover.
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 LML
When installing the front cover to the block, this is the seal directly behind the oil pressure relief valve and should be replaced any time the front engine cover is installed.
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Application: 2001-2016 Duramax