Part Type: Engine Cooling Fan Clutch. Notes: Standard Rotation; Optional Non-Thermal Fan Clutch. 1969 Chevrolet Brookwood Engine: 4.1L L6; Standard Rotation; Optional Non-Thermal Fan Clutch;. 1969 Chevrolet Brookwood Engine: 5.7L V8; Standard Rotation; Optional Non-Thermal Fan Clutch;.