Application Compatible For MITSUBISHI LANCER 2015 L4-2.0 Downstream Compatible For MITSUBISHI LANCER 2011-2012 L4-2.0 Downstream Compatible For MITSUBISHI LANCER 2008-2010 L4-2.0 Downstream Compatible For MITSUBISHI LANCER 2013-2015 L4-2.0 Upstream Compatible For MITSUBISHI LANCER 2008-2012 L4-2.0 Upstream Compatible For MITSUBISHI LANCER 2009-2011 L4-2.4 Downstream Compatible For MITSUBISHI OUTLANDER 2008-2010 L4-2.4 Upstream Compatible For MITSUBISHI OUTLANDER 2014-2015 L4-2.4 Downstream Compatible For MITSUBISHI OUTLANDER SPORT 2011-2012, 2014 L4-2.0 Downstream OEM Number 234-4116 Note If you have problem, please contact us.