This switch fits in the bezel and works for the following models and year ranges: Chevrolet Silverado, GMC Sierra, Hummer H2 model years 2003, 2004, 2005, 2006 and 2007; Chevrolet Suburban, Chevrolet Tahoe and Chevrolet Avalanche, GMC Yukon, and Cadillac Escalade model years 2003, 2004, 2005 and 2006.