iMac / iMac9,1 / 2.66 GHz - Core 2 Duo - ( Early 2009, 20-Inch )
Product details
593-0989 A 922-8831 20inch - 24inch iMac - Hard Drive Temp Sensor Cable, Seagate NB-2951W This is the Hard Drive Temperature Sensor for the iMac 20" and 24" released in early 2009. Apple part number: 922-8831, 593-0989 A