Roof Mount Lamp Light Harness is a direct fit for the following:
2003-2007 Chevrolet Silverado 1500
2003-2007 Chevrolet Silverado 2500 HD
2003-2007 Chevrolet Silverado 3500
2003-2007 GMC Sierra 1500
2003-2007 GMC Sierra 2500 HD
2003-2006 GMC Sierra 3500
Genuine GM Part Number: 15846970