Is your processor running too hot?
The heat sink attaches to the processor and helps to dissipate heat.
Wrong model? Check out the MacBook Pro 13" Unibody (Mid 2009) Heat Sink or the MacBook Pro 13" Unibody (Early 2011/Late 2011) Heat Sink
- Mid 2010 13" Unibody MacBook Pros
Lifetime Warranty - This iFixit product is guaranteed to function as long as you have it.