Fits 1943-1948 Chevrolet Fleetline 3.5L L6 Manual. Fits 1943-1948 Chevrolet Stylemaster 3.5L L6 Manual. Fits 1943-1948 Chevrolet Fleetmaster 3.5L Ll6 Manual. 1 X Aluminum Shroud. 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.