A PCV valve that's supposed to regulate the flow of these gases is the heart of most PCV systems (some newer vehicles don't have a PCV valve). The PCV valve routes air and fuel from the crankcase back through the intake manifold to the cylinders rather than allowing them to escape into the atmosphere. Combines an excellent fit, high-quality material and outstanding durability Replaces Part Number: 11810-8J102 Has undergone on-vehicle testing to ensure proper fit and performance Quick installation (professional help may be required) Positive Crankcase Ventilation (PCV) Valve Fitment: For EX35 2008-2012 For FX35 2003-2012 For G35 2003-2008 For I35 2002-2004 For M35 2006-2010 For M35H 2012-2013 For Q50 2014-2015 For Q70 2014-2015 For QX4 2001-2003 For 350Z 2003-2009 For ALTIMA 2002-2009 For 2002-2008 For MURANO 2003-2007 For PATHFINDER 2002-2004 For QUEST 2004-2011 Colour:Black+green Material:plastic Package Contents: 2 * PCV Valve Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.