2007-2008, 2010-2017 Freightliner Sprinter 2500. 2007-2008, 2010-2017 Freightliner Sprinter 3500. 2007-2009 Dodge Sprinter 2500. 2007-2009 Dodge Sprinter 3500. The Engine Cooling Fan Pulley Socket Is Used t o Install The Engine Cooling Fan a nd Ensure Its Normal Operation.