2001-2023 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast covers corrode. Our billet coolant block off plate with an integral O-ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good.
Fitment:
2001 Chevrolet Silverado 2500 HD
2001 Chevrolet Silverado 3500
2001 GMC Sierra 2500 HD
2001 GMC Sierra 3500
2002 Chevrolet Silverado 2500 HD
2002 Chevrolet Silverado 3500
2002 GMC Sierra 2500 HD
2002 GMC Sierra 3500
2003 Chevrolet Silverado 2500 HD
2003 Chevrolet Silverado 3500
2003 GMC Sierra 2500 HD
2003 GMC Sierra 3500
2004 Chevrolet Silverado 2500 HD
2004 Chevrolet Silverado 3500
2004 GMC Sierra 2500 HD
2004 GMC Sierra 3500
2005 Chevrolet Silverado 2500 HD
2005 Chevrolet Silverado 3500
2005 GMC Sierra 2500 HD
2005 GMC Sierra 3500
2006 Chevrolet Silverado 2500 HD
2006 Chevrolet Silverado 3500
2006 GMC Sierra 2500 HD
2006 GMC Sierra 3500
2007 Chevrolet Silverado 2500 HD
2007 Chevrolet Silverado 2500 HD Classic
2007 Chevrolet Silverado 3500 Classic
2007 Chevrolet Silverado 3500 HD
2007 GMC Sierra 2500 HD
2007 GMC Sierra 2500 HD Classic
2007 GMC Sierra 3500 Classic
2007 GMC Sierra 3500 HD
2008 Chevrolet Silverado 2500 HD
2008 Chevrolet Silverado 3500 HD
2008 GMC Sierra 2500 HD
2008 GMC Sierra 3500 HD
2009 Chevrolet Silverado 2500 HD
2009 Chevrolet Silverado 3500 HD
2009 GMC Sierra 2500 HD
2009 GMC Sierra 3500 HD
2010 Chevrolet Silverado 2500 HD
2010 Chevrolet Silverado 3500 HD
2010 GMC Sierra 2500 HD
2010 GMC Sierra 3500 HD
2011 Chevrolet Silverado 2500 HD
2011 Chevrolet Silverado 3500 HD
2011 GMC Sierra 2500 HD
2011 GMC Sierra 3500 HD
2012 Chevrolet Silverado 2500 HD
2012 Chevrolet Silverado 3500 HD
2012 GMC Sierra 2500 HD
2012 GMC Sierra 3500 HD
2013 Chevrolet Silverado 2500 HD
2013 Chevrolet Silverado 3500 HD
2013 GMC Sierra 2500 HD
2013 GMC Sierra 3500 HD
2014 Chevrolet Silverado 2500 HD
2014 Chevrolet Silverado 3500 HD
2014 GMC Sierra 2500 HD
2014 GMC Sierra 3500 HD
2015 Chevrolet Silverado 2500 HD
2015 Chevrolet Silverado 3500 HD
2015 GMC Sierra 2500 HD
2015 GMC Sierra 3500 HD
2016 Chevrolet Silverado 2500 HD
2016 Chevrolet Silverado 3500 HD
2016 GMC Sierra 2500 HD
2016 GMC Sierra 3500 HD
