This is a full replacement hotend solution for the following printers: 

Ender 3 / 5 

CR20 Pro

Longer LK1 / LK2

Comes with a 24 volt hotend, with heater core, thermistor, PTFE tube and 0.4 nozzle. 

No connectors included on heater wire.  

Replaces / Supersedes  :  4001030023