For 1972-1986 Jeep CJ5 CJ6 CJ7 3.8L 4.2L 5.0L L4 L6 GAS. For Jeep CJ6 73-75 All Models/Scrambler 83-85 L4 L6 GAS. 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.
