Part Type: Engine Cooling Fan Clutch. Standard Rotation Thermal Standard Duty Fan Clutch. Fan Clutch. 1975 Ford E-150 Econoline Engine: 5.0L V8; Standard Rotation; Standard Duty Thermal Fan Clutch;. 1975-1982 Ford E-150 Econoline Engine: 4.9L L6; Standard Rotation; Standard Duty Thermal Fan Clutch;.