Fuel Filter is a direct fit for the following:

1997-2009 Chevrolet T6500
1997-2009 Chevrolet T7500
2004-2009 Chevrolet T8500
1990-2009 GMC C6500
1990-2009 GMC C7500
2003-2009 GMC C8500

Genuine GM Part Number: 19256911