Cummins ISC, Fan Clutch/Hubs, (GOOD USED) Cummins ISC Horton Fan Clutch 989446 For Sale, Part # 989446, Mounting Base Part # 601557, WF2, 7L15, Horton OEM & Service # 98A9446, New Service # 98A9446, Old Service # 999446, Spartan Manufacturer # 1776-AA3-001, 1776 AA3 001, 1776AA3001, 2004-2006 Spartan Fire Truck, Serial # 5187258, Stock # 7740 | Tested & Inspected!