Fits what vehicles: 2005-2010 Dodge Ram 2500, 2005-2010 Dodge Ram 3500, 2008-2010 Dodge Ram 4500, 2008-2010 Dodge Ram 5500. Engine Cooling Fan Clutch. Spring Type: Electric. To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table.