Schrader 20158 TPMS Sensor fits Buick Cadillac Chevrolet GMC Hummer (1-pack)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Schrader is the global leader in TPMS innovation， design， quality， and technology</li><li>More than 190 million Schrader sensors are in operation worldwide - more than 54% of the global vehicle market</li><li>Patented Schrader technology embedded in all OEM and Aftermarket-replacement sensors</li><li>Schrader offers direct-fit and programmable EZ-sensor replacement sensors</li><li>Defect-free sensors manufactured in highly-automated， secure Schrader manufacturing environments</li><li>TPMS sensors measure tire pressure and transmit this information via radio frequencies</li><li>All transmitters are sold with cap core grommet and nut for applicable model</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41E9s01L2WL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51iRrere98L.jpg" noproxy>