Keep all the components necessary for servicing Tire Pressure Monitoring System (TPMS) readily available with Dorman's Tire Pressure Monitoring System (TPMS) Hardware Kit. 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. All Dorman products are engineered in the United States and backed by 100 years of automotive aftermarket experience. Our solutions are thoroughly tested and inspected, and if you experience any difficulty installing or using our parts, we have a dedicated technical support team of ASE Blue Seal certified professionals ready to help. To learn more about our quality and innovation, visit DormanProducts.com.