Application: 2000-2005 Cadillac DeVille 4.6L 2003-2007 Chevrolet Express 1500 4.3L 2003-2006 Chevrolet Express 2500 4.3L 2006-2007 Chevrolet Express 2500 6.6L 2006-2007 Chevrolet Express 3500 6.6L 2001-2002 Chevrolet Silverado 3500 6.6L 2003-2007 GMC Savana 1500 4.3L 2003-2006 GMC Savana 2500 4.3L 2006-2007 GMC Savana 2500 6.6L 2006-2007 GMC Savana 3500 6.6L 2001-2002 GMC Sierra 3500 6.6L Competitor Interchange: .
