Dorman 974-900 TPMS Rubber Snap-In Valve Stem for Direct-Fit/Multi-Fit Sensor Includes properly fitting sealing cap, hex nut, rubber grommet, and valve core Valve core is nickel plated for corrosion resistance Individually bagged for single tire servicing Also available as part of Dorman's Tire Pressure Monitoring System (TPMS) Tech Tray The Tire Industry Association (TIA) recommends replacing valve stem seals on the Tire Pressure Monitoring System (TPMS)-equipped vehicles every time a tire is dismounted