923-0099 Apple I/O Board Coax Cable, A1398 for MacBook Pro 15-inch Retina Late 2012 and Early 2013 NB-5911W
This is a replacement coax cable that connects the I/O board with the logic board.
Apple part number: 923-0099
Compatible models: A1398
923-0099 Apple I/O Board Coax Cable, A1398 for MacBook Pro 15-inch Retina Late 2012 and Early 2013