This alternator pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Freightliner Sprinter 2500: 2010, 2011, 2012, 2013] - [Freightliner Sprinter 3500: 2010, 2011, 2012, 2013] - [Mercedes-Benz E320: 2007, 2008, 2009] - [Mercedes-Benz E350: 2011, 2012, 2013] - [Mercedes-Benz GL320: 2007, 2008, 2009] - [Mercedes-Benz GL350: 2010, 2011, 2012] - [Mercedes-Benz ML320: 2007, 2008, 2009] - [Mercedes-Benz R320: 2007, 2008, 2009] - [Mercedes-Benz R350: 2010, 2011, 2012, 2013] - [Mercedes-Benz Sprinter 2500: 2010, 2011, 2012, 2013] - [Mercedes-Benz Sprinter 3500: 2010, 2011, 2012, 2013]