Replace your Left I/O Board Cable!
Communication is key in any relationship. Need to replace your communication line? The Left I/O Board Cable connects the left I/O board to the logic board.
Identify by 821-0511-A and 632-0520-A printed on part.
- 2.4 or 2.6 GHz (Model A1229) 17" MacBook Pros
Option 1 / Used, fully tested
Lifetime Warranty - This iFixit product is guaranteed to function as long as you have it.