Compatible Years: 1978 1979. Part Type: Engine Cooling Fan Clutch. 1979 Chevrolet G30 Engine: 4.1L L6; Standard Rotation; Optional Standard Duty Thermal Fan Clutch; w/o A/C;. 1978 Chevrolet G30 Engine: 4.1L L6; Standard Rotation; Optional Standard Duty Thermal Fan Clutch; w/o A/C;.
