1 X AA5052 Aluminum Shroud. 2004-2010 QX56 Base. 2005-2009 Armada LE. 2010-2015 Armada Platinum. 2005-2010 Armada SE. 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.
