The Engine Knock control sensor is located on the engine block and in some applications under the intake manifold fit for the following years and models:2007-2012 Acura RDX 2003-2011 Honda Element 2002-2009 Honda CR-V 2002-2005 Honda Civic Easy install, good automotive part replacement This product is produced by Flyes.This is not a Honda,Acura product and Flyes products has no affiliation with or endorsement theseï½…brands. Any use of the these brands names, models or any other related designations are made solely for purposes of describing and illustrating compatibility.Honda,Acura,names and logos are the registered trademarks of their owners. Our products meet or exceed the quality of OEM Replaces OEM : 30530-PNA-003, 30530-PPL-A01, 1580917, 5S2320, KS197