Headlight Leveling Motor Adjustment Actuator 85661-22020 For Avensis Celica Prius II 3 6 SX4 8566122020 This headlight leveling motor adjustment actuator is designed to fit various vehicle models including 3 2008-2014, 6 2007-2013, PIXO 2009-, ALTO 2009-, SX4 2006-, AVENSIS 2003-2008, CELICA 1999-2005, PRIUS 2003-2009, and RAV 4 II 2000-2005.The is compatible with OEM numbers 85661-22020, 8566122020, 20-0515-MA-1, 81610060, 50933820, 5378993, and 54697.It functions as an essential component in adjusting the vertical angle of headlights to beam alignment according to vehicle load and road conditions.