Apple iMac A1312 27" 2009. GPU Heatsink 730-0569 + Thermal Sensor 593-1043. This is a used item so it may be dirty / very dirty / faded / yellow'ish / scratched / liquid marked / rusty and or have stickers / tape marks so it will not be in its original condition, if it's a multiple the one photographed may not be the one you receive.
eBay