64 65 Oldsmobile Olds 6 Blade Engine Fan with Clutch 382546. This is believed to be an original Fan with clutch for 1964-65 Oldsmobile with A/C or HD Cooling. The clutch looks to be #382546 OY. Possible date L5E. The blade is 18 1/4" and has the correct mushroom rivets that were used on fans of the era. One blade has a very minor bend at the back edge.