This product is a replacement 40W heater for the Nextruder. See below, which printers are compatible.
To be Used With - Core One/+/L, MK4S/MK4/MK3.9/3.9S, XL 3d printers.
Not Compatible with any other 3d printer.
This product includes:
Specifications:
To correctly install this replacement part, visit our knowledge base at help.prusa3d.com, select your specific printer model, and follow the instructions provided in the repair manual.