Odyson - IPD Trackpad Flex Cable Replacement for MacBook Pro 13" Retina A1502 (Early 2015) IPD Trackpad Flex Cable for MacBook Pro 13" A1502 (Early 2015) Description: IPD trackpad flex cable connects the trackpad to the logic board. Compatibility: MacBookPro12,1 Early 2015 (MF839LL/A, MF841LL/A, MF843LL/A) APN: 923-00518 Printed Part #: 821-00184-A