1 X Aluminum Shroud. 2009-2014 Cadillac Escalade ESV. 2010-2013 Cadillac Escalade EXT. 2004-2013 Chevrolet Silverado 1500. 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.
