Ignition Knock Detonation Sensor fits 04-06 Canyon / 04-06 Colorado / 02-05 DeVille /03-06 Envoy / 03-06 Trailblazer EXT / 03-06 Trailblazer L4 2.8L L5 3.5L L6 4.2L V6 4.2L V8 4.0L 4.6L

Compatible with Buick2007-2011 Lucerne V8 4.6L2004-2005,2007 Rainier L6 4.2LCompatible with Cadillac2004-2005 GTS V8 5.7L2003-2005 DeVille V8 4.6L2006 DTS V8 4.6L2003-2004 Seville V8 4.6L2004-2006 SRX V8 4.6L2005-2006 STS V8 4.6L2004-2006 XLR V8 4.6LCompatible with Chevrolet2004-2006 Colorado L4 2.8L2004-2006 Colorado L5 3.5L2003-2005 Trailblazer L6 4.2L2006 Trailblazer V8 5.3L2003-2005 Trailblazer EXT L6 4.2L2005-2006 Trailblazer EXT V8 5.3LCompatible with GMC2004-2006 Canyon L4 2.8L2004-2006 Canyon L5 3.5L2003-2005 Envoy L6 4.2L2005-2006 Envoy V8 5.3L2003-2005 Envoy XL L6 4.2L2005-2006 Envoy XL V8 5.3L2005 Envoy XUV V8 5.3L2004-2005 Envoy XUV L6 4.2LCompatible with Hummer2006 H3 L5 3.5LCompatible with Isuzu2003-2004 Ascender L6 4.2L2006 I-280 L4 2.8L2006 I-350 L5 3.5LCompatible with Oldsmobile2003 Aurora V8 4.0L2003-2004 Bravada L6 4.2LCompatible with Pontiac2004-2005 Bonneville V8 4.6LCompatible with Saab2005 9-7x L6 4.2L