19301659 OE Block Heater Cord.
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
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
The GM 19301659 Block Heater Cord is a genuine OE replacement for your 01-10 GM 6.6L Duramax.