The Schrader 20135 TPMS Sensors are designed for Lincoln Navigator, Ford Expedition, and Mercury Monterey vehicles manufactured in 2004-2005. These Tire Pressure Monitoring Sensors are a direct replacement part with a 315 MHz frequency and require a magnet to activate. The sensors come with a 1-year Schrader limited warranty and are compatible with various trims such as Luxury, Ultimate, XLT, and Limited. The product is specifically designed to ensure accurate tire pressure monitoring for safety and performance.