Dorman 974-008 Chevrolet/GMC/Hummer Tire Pressure Monitor System Sensor Complete tire monitor sensor and transmitter Valve stem sensor style Make replacement and repairs easy with Dorman A quality part backed by a Dorman limited lifetime warranty Complete tire monitor sensor and transmitter Valve stem sensor style Make replacement and repairs easy with Dorman A quality part backed by a Dorman limited lifetime warranty Meets or exceeds OEM requirements