1988-1994 Ford F59 (V8 - 7.3L). 1 X AA5052 Aluminum Shroud. 1983-1996 Ford F250 F350 Super Duty 6.9L 7.3L V8 Diesel Only. 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.