Rear Window Wiper Blade is a direct fit for the following:

2005-2006 Buick Rainier
2004-2006 Chevrolet Trailblazer
2004-2006 Chevrolet Trailblazer EXT
2004-2006 GMC Envoy
2004-2006 GMC Envoy XL
2004 GMC Envoy XUV
2004 Oldsmobile Bravada

Genuine GM Part Number: 15160740