All of our new parts are aftermarket replacements. Compatible with Minneapolis Moline Tractor(s) G750. Compatible with Oliver Tractor(s) 1550 (With Diesel Engine), 1555 (With Diesel Engine), 1600 (With Diesel Engine), 1650 (With Diesel Engine), 1655 (With Diesel Engine). Compatible with White Backhoe Loader(s) 2-78, 4-78. Compatible with White Construction & Industrial(s) 2-78, 4-78. Compatible with White Tractor(s) 2-62, 2-70. Replaces OEM Number(s) 163342AS, 163272A, 163273A, 163343AS, 1652570, MFG0176. Fins Per Inch: 7 Flat Fin. Inlet: 2 Upper Center. Outlet: 2-1/8 Lower Right. Includes Fan Shroud (18-3/4 Diameter). All States Ag Parts Item No.