1 year warranty.High quality assured. Just not hesitate to contact us to get an easy replacement or refund in case any problem with our part in warranty time. Please carefully check your vehicle year/make/model with our fitment and Advertisement are not final standards You should read our carefully, and it will tell you more about the fitment. In addition, you can compare them with pictures first. If you buy a wrong type for your vehicle, please not damage the label and barcode return it in the original package. If you have installed, please clean it and put into the resellable original package otherwise may not accept your returns. This Ignition Knock Detonation Sensor is especially designed for Acura RDX 2008-2012 RSX 2002-2006 TSX 2004-2007 Honda Accord 2003-2007 Civic 2002-2005 CR-V 2002-2009 Element 2003-2011. Compatible OEM part number of this Ignition Knock Detonation Sensor are 30530-PPL-A01, 30530PPLA01, 30530-PNA-003, 30530PNA003, KS197, SU6143, 5S2320, 1580917.