Is your CPU running hot and out of control? You might need a new heatsink.
An overheating CPU can cause your whole computer to run slowly, or worse!
Heatsinks are extremely specific to certain models, please verify compatibility with your MacBook!
All parts tested and working just like they were when you bought your MacBook..
Part Numbers: 661-4945.
<li class="maclist-li"><h4>Compatible with : </h4>
<ul>
Unibody 13 (A1278,Late 2008).