4x4 Transfercase Wheel Drive Selector Switch is a direct fit for the following:

2003-2007 Chevrolet Silverado 1500
2003-2007 Chevrolet Silverado 2500 HD
2003-2007 Chevrolet Suburban 1500
2003-2007 Chevrolet Suburban 2500
2003-2007 Chevrolet Tahoe
2003-2007 GMC Sierra 1500
2003-2007 GMC Sierra 2500 HD
2003-2006 GMC Yukon
2003-2006 Cadillac Escalade

Genuine GM Part Number: 19259313