1 X AA5052 Aluminum Shroud. 1994-2002 Dodge Ram 3500 5.9L Turbo Diesel. 1994-2002 Dodge Ram 2500 5.9L Turbo Diesel. 1998 Dodge Ram 3500 Quad Cab 5.9L Turbo Diesel. 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.