This is a replacement I/O flex cable for the Mid 2013, Early 2014, and Early 2015 MacBook Air 13.
This connects the I/O Board to the Logic Board..
Part Numbers: 923-0440.
Printed Number: 821-1722-A.
<li class="maclist-li"><h4>Compatible with : </h4>
<ul>
Air 13 (A1466, Mid 2013/ Early 2014/ Early 2015/ Mid 2017)