Direct-Fit TPMS Aluminum Clamp-In Valve Stem (974-000) by Dorman®. Anodized Aluminum. Replacement clamp-in valve kit. Keep all the components necessary for servicing Tire Pressure Monitoring System (TPMS) readily available with Dorman’s Tire Pressure Monitoring System (TPMS) Valve Kits. Each kit is individually bagged and includes properly fitting sealing cap, hex nut, rubber grommet, and valve core. 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. Don’t get stuck without the parts you need.