For 1985-1997 Ford Bronco F150 F250 F350 4.9L l6. 1 x Aluminum Shroud. 1985-1992 Ford Bronco 4.9L l6. 1985-1996 Ford F-350 4.9L l6. 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.
