Mack AMI-370, Fan Clutch/Hubs, (GOOD USED & TESTED) Horton Fan Clutch Part # 79A9498-2 For Sale, off Mack AMI Diesel Engine, Fits 2002-2007 Mack MR, LE Truck with Mack AMI, ASET AI Engine, OEM # 989477, Service # 999477, Mount Part # 601741 WF1, P/N 79A9498 2, Stock # 2106