1987-1991 GMC V3500 6.2L V8. Notes: Fan Clutch -- Counter Clockwise; Severe Duty Thermal Fan Clutch; Fan Mounting Holes are 10mm. Thermal Or Centrifugal: D - Severe Duty & Truck Fan Drive. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
