5 0 Cummins ISB / QSB 5.9 Fan Clutch Mounting Base Part # 3933371 Newly Listed $65 USD (GOOD USED) Cummins ISB 5.9L BorgWarner 1208-7 Electromagnetic Fan Clutch Mounting Base 3933371 For Sale, Pulled Cummins ISB 5.9L CM550, NON-EGR, CPL# 2687, Part # 3933371 00, Fits 1998,... ConditionUsedWill Fit Year(s)1998-2002Part Number3933371Stock Number9822 MLS Number14011458CategoryFan Clutches Last Updated12/3/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info