Fan Clutch Wrench 36mm and 48mm.
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
Low profile forged model works with most diesel viscous fan clutches, with either a 36mm or 48mm hex holding the viscous fan clutch to the water pump. Two wrenches are needed to perform removal and replacement of the viscous fan clutch. One wrench to hold the water pump stationary and the other wrench to remove and replace the viscous fan clutch. Made from heat treated forged alloy steel, improving the strength and durability. The 15” length with angled heads that provide improved access and versatility in the engine area.
