Specifications:

    2017 model(sn shows 2017), fits 2015 A1466 as well. 

    also fit 2013-2014 A1466 if you are a pro and know how to install correctly.

    Newest APFS firmware

    Brand: Apple

    Apple Part number: 661-02394

    Printed Part Number: 820-00165-A

    Compatible with: MacBook Air 13" A1466 2015 2017 Model

    Graphics Card: Intel HD Graphics 6000

    Onboard RAM: 8GB (LPDDR3 1600MHz)

    Warranty: 60 days