3274003|Water Pump for 2006 Chevrolet Silverado 3500 6.6L - WP3221XP51. This Water Pump fits the 2006 Chevrolet Silverado 3500 equipped with the 6.6L engine. It delivers exceptional reliability and is essential for restoring factory engine performance.. 2006 Chevrolet Silverado 3500 6.6L Engine Water Pump - WP3221XP51 Also fits the following vehicles: 2012 Chevrolet Silverado 3500 HD 6.6L Engine Water Pump, 2013 Chevrolet Silverado 3500 HD 6.6L Engine Water Pump, 2014 Chevrolet Silverado 3500 HD 6.6L Engine Water Pump, 2015 Chevrolet Silverado 3500 HD 6.6L Engine Water Pump, 2016 Chevrolet Silverado 3500 HD 6.6L Engine Water Pump, 2006 Chevrolet Silverado 3500 6.6L Engine Water Pump, 2006 GMC Savana 2500 6.6L Engine Water Pump, 2007 GMC Savana 2500 6.6L Engine Water Pump, 2008 GMC Savana 2500 6.6L Engine Water Pump, 2009 GMC Savana 2500 6.6L Engine Water Pump, 2010 GMC Savana 2500 6.6L Engine Water Pump, 2011 GMC Savana 2500 6.6L Engine Water Pump, 2012 GMC Savana 2500 6.6L Engine Water Pump, 2013 GMC Savana 2500 6.6L Engine Water Pump, 2014 GMC Savana 2500 6.6L Engine Water Pump