Part Type: Engine Cooling Fan Clutch. Reverse Rotation Severe Duty Thermal Fan Clutch. Fan Clutch. Electronic Clutch?. : Non Electronic. Thermal Or Centrifugal: D - Severe Duty & Truck Fan Drive. 2003 Dodge Ram 1500 Engine: 5.7L V8; Automatic Transmission; Counter Clockwise; Severe Duty Thermal Fan Clutch; w/o Heavy Duty Cooling;.