The GPIO module (General Purpose Input/Output) is an optional add-on PCB that can be connected to the Original Prusa MK4/S, MK3.9/S, or MK3.5/S. It extends functionality by allowing you to control and receive input from external devices using GPIO pins and G-code commands.

Compatible with: 

MK4MK3.9MK3.5MK4SMK3.9S

An accelerometer module for all printer modders who love to tweak and modify their 3D printers! While you won’t need this module for our stock printers, it’s perfect when you need to recalibrate the Input Shaper on your modded printer.

Compatible with: 

MK4MK3.9MK3.5MK4SMK3.9S

This product is the replacement hotend PTFE tube

ONLY compatible with the MK3S+ and MK3S+ with MMU2S hotends

NOT compatible with the MK2.5, MK3, MK3S hotends

This product is the replacement hotend PTFE tube

ONLY compatible with the MK2.5S MK3S and MMU2S hotends

NOT compatible with the MK2.5, MK3, MK3S hotends

Linear bearing LM10UU

Compatible with: 

MINIMINI+MK3.9/SMK4/S

This product is a replacement set of screws for the Expansion joints.

Compatible with: 

MK4MK.9MK4SMK3.9S

Replacement wiring for the heatbed. Red wire used as VCC.

Compatible with: 

MK4MK.9MK4SMK3.9S

Replacement wiring for the heatbed. Black wire used as GND.

Compatible with: 

MK4MK3.9MK4SMK3.9S

This product is a replacement set of Expansion joints for the heatbed.

Compatible with: 

MK4MK3.9MK4SMK3.9S

Replacement bearing clips set for the y-carriage (y-axis).

Compatible with: 

MK4MK3.9MK4SMK3.9S

Excellent quality, 40w 24v Ceramic Heat cartridge with a stainless steel outer sheath, Pack of 10

This product is the replacement power cable connecting xBuddy board and the power supply unit (PSU). It is ONLY compatible with the black PSU.

Compatible with: 

MK4MK3.9MK4SMK3.9S