The Autel TPMS Sensor Rubber Valve Stem Kit is the perfect solution for replacing or upgrading your TPMS sensors. The kit includes four rubber valve stems and four aluminum valve cores, designed to fit most Autel TPMS sensors. The stems are made of durable rubber, designed to withstand extreme temperatures and road conditions. The aluminum valve cores are designed to provide a secure seal to ensure proper tire pressure. This kit is a great choice for those looking to replace or upgrade their TPMS sensors.