Power Seat Adjuster Switch is a direct fit for the following:

2005-2007 Buick Rainier
2005-2011 Cadillac STS
2004-2009 Cadillac XLR
2005-2009 Chevrolet Trailblazer
2005-2006 Chevrolet Trailblazer EXT
2005-2009 GMC Envoy
2005-2006 GMC Envoy XL
2005 GMC Envoy XUV

Genuine GM Part Number: 12451439