Cable cage bracket with the cable mount. 1 needed.
barthel's proposed fix for the ribbon-cable-clamp foot/lip mismatch (#403): the underside near the heat-insert boss raised ~2mm (Z 210.0 -> 212.0) and the mounting foot widened from +-15 to +-22 in X. Mounting bolt pattern and insert bore unchanged, so an old print still bolts in the same place.