Part Type: Engine Cooling Fan Clutch. 1988 GMC K1500 Engine: 4.3L V6; Reverse Rotation; Optional Heavy Duty Thermal Fan Clutch; Fan Mounting Holes are 10 mm.;. Fan Clutch, Thermal. Reverse Rotation Thermal Heavy Duty Fan Clutch.
Auto Plus/Hayden 2765 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2676 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2557 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2664 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch
Auto Plus/Hayden 2565 Cooling Fan, Clutch and Motor - Engine Cooling Fan Clutch