To test the car speed and relay the speed information to the vehicle' computer.Made by high quality metal and plastic with stable characteristics, this Transmission Speed Sensor has a high performance and it is very durable in use.Please carefully check your vehicle year/make/model with our description. You should read our description carefully, and it will tell you more about the fitment. In addition, you can compare them with pictures first.100% tested before on sale,can be installed easily and ensures longevity.Part Number Fitment: FN01-21-550Compatibility ( Fit For ):For 2011 2For 2004-2011 3For 2006-2012 5For 2006-2011 6For 2010-2011 -7For 1999-2003 For 2003 5Colour: blackMaterial: Metal + plasticPackage Contents:1 * Speed SensorNOTICE:Pls carefully verify your year & make & model in the product details or check your parts pictures & parts No. with ours before purchasing, so as to prevent buying wrong and unnecessary expenses.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.