This product is replacement Hotend heater cartridge E3D 24V 40W. It is ONLY compatible with the MINI/+. It is NOT compatible with the MK2/S, MK2.5/S and MK3/S/+. The Molex connector is NOT included and is available separately.
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.