Notes: Intake Plenum Tube O-Ring;. Part Type: Fuel Injection Plenum Gasket. Fuel Inj Plenum Gkt. 2004 GMC Sierra 3500 Engine: 6.6L V8;EngineVIN: 2; Intake Plenum Tube O-Ring; Position: Upper;. 2005 GMC Sierra 3500 Engine: 6.6L V8; Intake Plenum Tube O-Ring; Position: Upper;.
