N\A I/O Board Ribbon Flex Cable - MacBook Pro 15 A1398 Mid 2012 Early 2013

Mmobiel HDD Hard Drive Ir Sensor Sleep Detector Cable - Macbook Pro A1278 Mid 2012 Hard Drive Bracket

Nockchawon I/O Board Flex Cable - 821-1722-A 923-0440 A1466

Mmobiel HDD Hard Drive Ir Sensor Sleep Detector Cable - Compatible with Macbook Pro A1286 Mid 2012 Bracket included

ittecc Internal Speaker - A1398 Left+Right Set MacBook Pro 15" Retina

Deal4GＯ Internal Speaker Replacement - Left & Right Speakers MacBook Pro A1425 Late 2012 Early 2013

LeFix Built-in Left & Right Speaker Set - Compatible with MacBook Pro 15-inch A1398 + Premium Tool Kit - T5 P5 Screwdriver