1975-1988 Chevrolet G10 5.7L V8. 1977-1980 Chevrolet G10 5.0L V8. 1977-1986 Chevrolet G10 5.0L V8. 1981-1986 Chevrolet G10 5.0L V8. 1985-1986 Chevrolet G10 4.3L V6. Notes: Engine Cooling Fan Clutch -- Clockwise (Standard) Rotation; Thermal Fan Clutch; Heavy Duty.
