Parking Brake Cable is a direct fit for the following:

2006 Chevrolet Silverado 3500
2007 Chevrolet Silverado 3500 Classic
2007 Chevrolet Silverado 3500 HD
2006 GMC Sierra 3500
2007 GMC Sierra 3500 Classic
2007 GMC Sierra 3500 HD

Genuine GM Part Number: 15941084