The replacement knock sensor is made for select 2006-2017 Acura and Honda applications. It detects the vibration frequencies of engine detonation so the engine computer can retard ignition timing.

Walker Products 242-1089 Knock Sensor Features:

• Fits 2007-2013 Acura MDX; 2009-2012 Acura RL; 2009-2014 Acura TL, Honda Ridgeline; 2010-2014 Acura TSX; 2010-2013 Acura ZDX; 2013-2015 Acura RDX; 2006-2012 Honda Accord
• Fits 2006-2011 Honda Civic; 2008-2017 Honda Odyssey; 2009-2015 Honda Pilot; 2010-2011 Honda Accord Crosstour; 2012 Honda Crosstour
• Engine coverage includes 1.8L I4, 3.0L V6, 3.5L V6, 3.7L V6 applications
• Female oblong electrical connector with 1 blade terminal
• 48.81 mm (1.9 in.) overall length
• 12 mm (0.5 in.) threaded end diameter
• Mounting hardware not included