922-9124 Right Speaker - Late 2009 A1311 3.06-3.33GHz iMac 21.5 inch NB-3143W
This is a replacement right speaker for the 21.5-inch iMac.
Apple part number: 922-9124
Compatible models: A1311-Late 2009-MB950LL-MC413LL,
Compatible Mac info. : 21.5-inch 3.06GHz iMac
922-9124 Right Speaker - Late 2009 A1311 3.06-3.33GHz iMac 21.5 inch