Searching for the perfect blend of function and elegance? Discover Up+Downstream Oxygen O2 Sensor New For Mazda CX-7 2007 2008 2009 2010 2011 2012 2.3L 234-5012 234-4044 L33L188G1E9U L33M-18-861B today at the best price. Recognized for its superior performance and modern, functional design. Discover top-rated finds on Posegg.com — buy online and save today.