Fuel Tank Gas Cap is a direct fit for the following:

2006-2022 Chevrolet Express 2500

2006-2022 Chevrolet Express 3500

2006-2010 Chevrolet Silverado 2500 HD
2006 Chevrolet Silverado 3500
2007-2010 Chevrolet Silverado 3500 HD
2006-2010 GMC Sierra 2500 HD
2006 GMC Sierra 3500
2007-2010 GMC Sierra 3500 HD
2006-2022 GMC Savana 2500
2006-2022 GMC Savana 3500

Genuine GM Part Number: 23288715