2004 GMC W3500 Forward 6.0L V8. 2005 GMC W3500 Forward 6.0L V8. Notes: Engine Intake Manifold Gasket Set -- Contains Premium Grade Intake Manifold Gaskets; Molded Rubber. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.