661-08140 Logic Board 1.8 GHz 8GB for MacBook Air 13-inch Mid 2017 A1466 CJ-11254W
This is a replacement 1.8GHz Core i5 logic board with 8GB of RAM for the MacBook Air 13.3" released in mid 2017.

• EEE CODE :
  J22G, J22J, J22L, J2V7, J2V8, J2V9, J2VC

• Model Compatible Number :
  A1466

• EMC Number :
  EMC 3178

• Part Number for Manufacture :
  820-00165-A

• Part Name :
  Logic Board 1.8 GHz (8GB)

• Manufacture Model Year :
  Mid 2017
• Mac Computer :
  MacBook Air 13-inch 1.8 GHz Core i5 (i5-5350U)
  MacBook Air 13-inch 2.2 GHz Core i7 (i7-5650U)

661-08140 Logic Board 1.8 GHz (8GB) for MacBook Air 13-inch Mid 2017 A1466 MQD32LL/A, MQD42LL/A, Z0UU1LL/A (820-00165-A)