Migbot Extruder & Hotend Replacement

This is an extruder and hotend replacement 'kit' to switch to a z-axis induction probe and an aluminium finned hotend. It fits on the existing x-axis carriage (3 scews) and otherwise uses existing screws and nuts from the original assembly.

The probe is a LJ12A3-4-Z/BX such as the one here:
https://www.aliexpress.com/item/3D-Printer-Parts-Model-LJ12A3-4-Z-BX-Tubular-Inductive-Proximity-Sensor-Switch-NPN-3-Wire/32667956956.html

The hotend should be similar to this one:
https://www.aliexpr