Upgrade your vehicle’s tire pressure monitoring system with T. L Max TPMS sensors. This set consists of four sensors, also known as “The Purple Sensor, ” with part number MX002R Gen 2. They are compatible with various vehicles and are easy to install, direct fit, and programmable. The sensors are designed to work on the rear, left, front, and right sides of your vehicle, ensuring accurate tire pressure readings. L Max TPMS sensors tool is required to program the sensors.