This is a replacement heat sink for the Retina MacBook Pro released in Late 2013 and Mid 2014..
This heatsink sits on top of your CPU and logic board, and retains the heat generated from them.
This one is compatible with only the discrete graphics configurations.
All parts tested and working just like they were when you bought your MacBook..
Part Numbers: 076-1453,076-00083.
<li class="maclist-li"><h4>Compatible with : </h4>
<ul>
Pro Retina 15 (A1398,Late 2013 / Mid 2014).