The GM Genuine 15921013 TPMS Sensor is a critical safety component for maintaining proper tire inflation in Chevrolet, GMC, Buick, and Saturn vehicles. Operating on a 315 MHz frequency, this OEM sensor provides accurate, real-time tire pressure monitoring to prevent uneven wear and improve fuel economy. A direct replacement for part numbers 20922900, 25920615, and 10394110, the 15921013 is engineered to meet strict factory standards for battery life and signal strength. Ideal for models like the Chevy Silverado, Equinox, and GMC Acadia, this sensor ensures a seamless relearn process when used with a standard TPMS activation tool.