This heatsink attaches to the CPU on the 13 Mid 2012 MacBook Pro Unibody.
If you're having overheating issues, this is the first thing to check!
This helps reduce the amount of heat on the logic board near the main chips.
All parts tested and working just like they were when you bought your MacBook.
Part Numbers: 923-0105.
<li class="maclist-li"><h4>Compatible with : </h4>
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Pro Unibody 13 (A1278, Mid 2012).