1987 GMC G3500 Engine: 4.3L V6; Reverse Rotation; Optional Standard Duty Thermal Fan Clutch;. 1987 GMC G3500 Engine: 5.7L V8; Reverse Rotation; Optional Standard Duty Thermal Fan Clutch; Fan Mounting Holes are 10 mm.;.
Auto Plus/Hayden 2676 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2765 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2682 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2618 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2691 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2683 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch