Mack E7-300, Fan Clutch/Hubs, (GOOD USED/TESTED) Mack E7-300 52291 Fan Clutch For Sale, Pulled off Mack E7 Diesel Engine, Also Fits Cummins 3.9L, Viscous, D08C1, G17, P/N 52291, Other Part # 38MH416P2, Stock # 4931 | Tested & Inspected!