RH-3782 is Arnott's new OES vehicle specific Ride Height Sensor for the front left side of the 2007-2013 Acura MDX (YD2) and the 2010-2012 ZDX (YB1). This OE product includes a linkage arm (adjustable or non adjustable) and a sensor and will maintain the correct suspension (or headlight) height by sending a signal to the vehicle computer. Ride height sensors can wear out and are vulnerable to damage from road debris, accidents, water and salt intrusion