923-0439 for Apple I/O Board assembly for MacBook Air 13" Mid 2013 - 2017
Where used: for MacBook Air (13-inch, Mid 2013), MacBook Air (13-inch, Early 2014), MacBook Air (13-inch, Early 2015), MacBook Air (13-inch, 2017)
Model #: 923-0439, 820-3445
Fully tested