Power Steering Filter is a direct fit for the following:

2004-2009 Chevrolet T6500
2004-2009 Chevrolet T7500
2004-2009 Chevrolet T8500
2003-2004 GMC C4500
2003-2009 GMC C6500
2003-2009 GMC C7500
2003-2009 GMC C8500

Genuine GM Part Number: 88892858