Logic Board, non-Retina, 2.8GHz i5





  • Replacement logic board with CPU and heatsink for the iMac 21.5" A1418 (Late 2015) with standard 1920x1080 LCD display assembly and 2.8GHz i5 processor.
  • The Late 2015 iMac release was available with multiple CPU options, but the logic board options on this page are only compatible with those that have the 2.8GHz i5 processor.

What's Included

  • Depends on option selected.

Identifying Numbers

  • APN : 661-02981, 661-02982, 661-02983, 661-02984

    Apple Part Numbers

    • Created for internal Apple use.
    • Never visible on the item.
  • PPN : 820-00431-02, 820-00431-A

    Printed Part Numbers

    • Created by manufacturers during production.
    • Always visible on the item.

Tech Specs

  • Onboard CPU: Intel 2.8GHz Core i5-5575R
  • Onboard GPU: Intel Iris Pro 6200
  • Onboard RAM: 8GB or 16GB LPDDR3 (1867MHz)



Find your device to verify compatibility.

Not Compatible




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iMac 21.5" A1418
  • iMac16,2 Late 2015: MK442LL/A (2.8 GHz Core i5)