Engine Camshaft Position Sensors are used by the engine control module to synchronize the pulsing of sequential fuel injectors so they match the firing order of the engine. Dorman Engine Crankshaft Position Sensors have undergone extensive vehicle try-on and durability testing to ensure strength, fitment and longevity. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Subaru Baja: 2004, 2005, 2006] - [Subaru Forester: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013] - [Subaru Impreza: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012] - [Subaru Legacy: 2005, 2006, 2007, 2008, 2009] - [Subaru Outback: 2005, 2006, 2007, 2008, 2009] - [Subaru WRX STI: 2013, 2014, 2015, 2016, 2017, 2018, 2019] - [Subaru WRX: 2012, 2013, 2014, 2015, 2016]