Description 100% Brand New OEM Number : GN3A-37-140A BBM2-37-140A FE01-37-140A GN3A-37140B GN3A-37-140B GN3A37140B GN3A37140 Frequency - 315 MHz Good quality, good operation Comes in a sealed package, ready to install Professional Installation is Highly Recommended No Instruction Included Package Includes 1 x Tire Pressure Sensor Fitment 2007-2012 Mazda CX-7 2007-2012 Mazda CX-9 2011-2013 Mazda 2 2004-2013 Mazda 3 2006-2013 Mazda 5 2003-2013 Mazda 6 2004-2011 Mazda RX-8 2006-2013 Mazda MX5 Miata Note Please check OE number, compatibility and listed pictures above,make sure it fits you vehicle.If not sure, you can email us before purchasing, we will check for you and reply soon within 24 hours. Tire pressure sensors require going through a re-learning procedure or being activated with a manufacturer specific tool in order to function properly. Consult your owner's manual to see what procedure is required for your particular vehicle when installing new TPMS. The sensors were not coming with any nuts or bolts.