Engine Cooling Fan Clutch 4 Seasons For 1997-1999 GMC C3500 6.5L V8

1997 GMC C3500 Engine: 6.5L V8; Reverse Rotation; Severe Duty Thermal Fan Clutch;. 1998 GMC C3500 Engine: 6.5L V8; Reverse Rotation; Severe Duty Thermal Fan Clutch;. 1999 GMC C3500 Engine: 6.5L V8; Reverse Rotation; Severe Duty Thermal Fan Clutch; Bolt-On Type; Marked GPC;.