Ignition Control Module is a direct fit for the following:

2004-2005 Buick Rainier
2004-2006 Chevrolet Colorado
2002-2005 Chevrolet Trailblazer
2002-2005 Chevrolet Trailblazer EXT
2004-2006 GMC Canyon
2002-2005 GMC Envoy
2002-2005 GMC Envoy XL
2004-2005 GMC Envoy XUV
2006 Hummer H3
2002-2004 Oldsmobile Bravada