Clutch fan? I've put together ones by measuring the shroud openning, deduct about 3/4-1" for clearance (engine rock), find one a 'yard, cleaner 'er up, and then buy a new clutch assembly. Not 100% factory looking, but it is reliable and works.
Try Layson's- I think they are having the shrouds re-popped. Once you get a shroud, measure the opening and then find a Mopar clutched fan in a boneyard that will fit (make sure there is a gap between the two or else the first time the motor torques over-POW!). You just want the fan, not the...