This front headlight motor is compatible with Astra models from 1999 to 2011 and Vectra models from 2006 to 2008.It is designed for direct replacement of the headlight motor and fits both left and right sides.The product corresponds to part numbers 90590665, 6207044, and 93289977.It supports headlight elevation adjustment to maintain correct beam alignment and is built for consistent performance in regular driving conditions.