Part Type: Engine Cooling Fan Clutch. 1998 Ford E-150 Econoline Reverse Rotation; Severe Duty Thermal Fan Clutch; w/ A/C;. Notes: Reverse Rotation; Severe Duty Thermal Fan Clutch; w/ A/C;. 1999 Ford E-150 Econoline Reverse Rotation; Severe Duty Thermal Fan Clutch; w/ A/C;.