For 1977-1981 Pontiac Laurentian Engine Cooling Fan Clutch 4 Seasons 1978 1979

1977 Pontiac Laurentian Engine: 4.1L L6; Standard Rotation|Optional Non-Thermal Fan Clutch;. 1977 Pontiac Laurentian Engine: 5.0L V8; Standard Rotation|Optional Non-Thermal Fan Clutch;. 1978 Pontiac Laurentian Engine: 4.1L L6; Standard Rotation|Optional Non-Thermal Fan Clutch;.