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Idler Pulley Bolt 2001-2016-t
 
10235 Idler Pulley Bolt 2001-2016, DuramaxReplacement bolt attaches idler pulleys to engine. Replace if bent or damaged from a bad idler pulley
$1.49
Idler Pulley, LB7/LLY/LBZ/LMM/LML,  2001-2016-t
 
98057284 Idler Pulley, LB7 LLY LBZ LMM LML, 2001-2016 Duramax"Smooth" idler pulley. This does not have the ribs on it for running on the inside of the belt
$31.95
Cooling Fan Blade Assembly, LBZ/LMM, 2006-2010-t
 
15-40146 ACDelco Cooling Fan Blade Assembly, LBZ LMM, 2006-2010 DuramaxOE Fan blade

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:
2006, 2007, 2008, 2009, 2010 *

$118.95
Duramax Belt Tensioner, 2002-2016-t
 
38172 ACDelco Belt Tensioner, LB7 LLY LBZ LMM LML 2002-2016 DuramaxFactory Replacement Tensioner

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:
2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 *

$119.95