AISIN Ride Height Sensors are engineered to exact OE specifications to ensure proper function of vehicle air suspensions and HID headlight leveling systems Ride height sensors are a component used in an air suspension system to signal a control unit when the vehicle is riding low or high so the control unit can either add air to or vent air from the air suspension to correct ride height Ride height sensors signal the automatic headlight leveling system which automatically keeps the headlights adjusted for optimal road illumination and to prevent glare that could blind the drivers of oncoming vehicles With superior OE technology and know-how, AISIN ensures that every ride height sensor provides perfect OE form, fit, and function and installs easily AISIN ride height sensors include the sensor, mounting bracket, and linkage arm (adjustable or non-adjustable depending on application) Compatible with select vehicles (Note: options/trim level may affect fitment - verify specific vehicle fitment details with fit checker above): LEXUS: 1998-07 LX470; TOYOTA: 2005-07 Land Cruiser