1937-52 Chevrolet truck engine cooling fan which measures 16 1/4 inches across fins. I believe these are NOS. Click on main picture to open up to complete ad to see all 4 pictures. I have 4 of these available. 2 are painted black and 2 are plain steel. $50.00 each plus shipping. Contact bob@marxparts.com or call 715-652-2405.