1 X Aluminum Shroud. 2004-2014 GMC Savana 2500/3500 4.8L/6.0L. 2004-2013 GMC Savana 4500 4.8L/6.0L. 2004-2014, 2017 GMC Savana 2500 4.8L. 2004-2006 GMC Savana 2500 4.3L. The fan shroud basically houses the fan blades securing it in place and keeping it from damaging the other engine components that may disturb the smooth and even operation of the engine.
