Dorman 974-081 Direct-Fit Tire Pressure Monitoring System Sensor Replaceable aluminum valve stem is anodized for long-lasting corrosion resistance and may be serviced separately from the entire unit Comes with stem unit, grommet, washer, and hex nut for a complete installation Sensors are designed to accommodate installation angles from 5 to 26 degrees Dorman sensors work with all existing Tire Pressure Monitoring System (TPMS) tools Original Equipment (OE) numbers: 3610 6790 054, 36106856227