Products
24V 240W Power Supply Kit for Prusa i3 MK3/S
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24V 240W Power Supply Kit for Prusa i3 MK3/S
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$149.99
The power supply unit (PSU) for the Original Prusa i3 MK3 and MK3S. This is the most recent version of the PSU (black), and includes the cover and cables to upgrade from the previous, silver PSU. Not compatible with Prusa i3 MK2/S, use the 12V power supply instead. Power : 24V 240W
623h Bearing and Housing for Prusa i3 Printers
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623h Bearing and Housing for Prusa i3 Printers
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$9.99
Replacement 623h bearing and housing for the x-axis idler of Prusa i3 printers (MK2/S, MK3/S). Bearing inner diameter : 3mm
Bed Thermistor for Prusa i3 MK2 and MK3
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Bed Thermistor for Prusa i3 MK2 and MK3
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$9.99
Replacement thermistor for the Prusa i3 MK2/S and MK3/S. Fully wired and ready to be installed.
Brass Nozzle 0.60mm for E3D V6 Hotend
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Brass Nozzle 0.60mm for E3D V6 Hotend
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$9.99
0.60mm brass nozzle for E3D v6 hotends. Specs Material : Brass Opening diameter : 0.60mm Filament diameter : 1.75mm Thread : M6
Brass Nozzle 0.80mm for E3D V6 Hot End
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Brass Nozzle 0.80mm for E3D V6 Hot End
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$9.99
0.80mm brass nozzle for E3D v6 hotends. Specs Material : Brass Opening diameter : 0.80mm Filament diameter : 1.75mm Thread : M6
E3D Heater Cartridge 12V for Prusa i3 MK2
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E3D Heater Cartridge 12V for Prusa i3 MK2
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$11.99
Replacement heater cartridge for the Prusa i3 MK2 or MK2S. Fully wired and ready to be installed. Power : 40W 12V
E3D Heater Cartridge 24V for Prusa i3 MK3/S
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E3D Heater Cartridge 24V for Prusa i3 MK3/S
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$11.99
Replacement heater cartridge for the Prusa i3 MK3 or MK3S. Fully wired and ready to be installed. The heater cartridge is ready to fit to a Molex 0395300002 connector (not included, see accessories); you can reuse the one already on your board if replacing an existing heater cartridge. Power : 40W 24V

E3D Hotend Collet 1.75mm
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$1.99
Replacement bowden collet for E3D hotends (1.75mm filament).
E3D v6 Heatbreak for Prusa i3 MK3/S
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E3D v6 Heatbreak for Prusa i3 MK3/S
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$24.99
Replacement heatbreak for the E3D v6 hotend of the Prusa i3 MK3/S and MMU2S. This heatbreak is not the standard E3D v6 heatbreak, it was developped by Prusa and E3D specially for the MK3 and MMU.
E3D v6 Heater Block for Prusa i3 Printers
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E3D v6 Heater Block for Prusa i3 Printers
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$16.99
Heater block only for the E3D v6 hotend of the Prusa i3 MK2/S / MK3/S / MMU / MMU2. No screws, fittings or hex key included. Just the block. The heater block kit including fittings is available here.
E3D v6 Heater Block Kit for Prusa i3 Printers
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E3D v6 Heater Block Kit for Prusa i3 Printers
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$20.99
Replacement heater block kit for the E3D v6 hotend of the Prusa i3 MK2 / MK3 / MMU / MMU2. Includes the screws and matching hex keys to hold the heater cartridge and the thermistor. The heater block is also available "naked", without any fittings, here.
Extruder Hobbed Pulley for Prusa i3 MK2 / MMU2S
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Extruder Hobbed Pulley for Prusa i3 MK2 / MMU2S
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$9.99
Replacement extruder hobbed pulley for Prusa i3 MK2 / MK2S/ MMU2S. Includes the grub screw for assembly.
Extruder PTFE Tubing for Prusa i3 MK3
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Extruder PTFE Tubing for Prusa i3 MK3
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$1.99
Replacement extruder PTFE tubing for Prusa i3 MK2 / MK2S / MK2.5 / MK3 / MMU2. The tube is trimmed and chamfered for a perfect fit with the existing components. This tube is not part of the extruder assembly for the MK3S and MK2.5S models. Length: 13mm (tolerance +/- 0.2mm) Inner diameter: 2mm Outer diameter: 4mm Technical drawings for the var...
Hardened Smooth Rod 8x320mm Z-Axis for Prusa i3
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Hardened Smooth Rod 8x320mm Z-Axis for Prusa i3
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$14.99
Hardened steel smooth rod for the Z-axis of Prusa i3 MK2/S, MK2.5/S, MK3/S 3D printers. Diameter : 8mm Length : 320mm
Hardened Smooth Rod 8x330mm Y-Axis for Prusa i3
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Hardened Smooth Rod 8x330mm Y-Axis for Prusa i3
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$14.99
Hardened steel smooth rod for the Y-axis of Prusa i3 MK2/S, MK2.5/S and MK3/S 3D printers. Diameter : 8mm Length : 330mm
Hardened Smooth Rod 8x370mm X-Axis for Prusa i3
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Hardened Smooth Rod 8x370mm X-Axis for Prusa i3
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$14.99
Hardened steel smooth rod for the X-axis of Prusa i3 MK2/S, MK2.5/S and MK3/S 3D printers. Diameter : 8mm Length : 370mm
Hotend PTFE Tubing for Prusa i3 MK2 / MK3
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Hotend PTFE Tubing for Prusa i3 MK2 / MK3
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$1.99
Replacement hotend PTFE tubing for Prusa i3 MK2 / MK2S / MK.25 / MK3 / MMU2. The tube is trimmed and chamfered for a perfect fit with the existing components. Not compatible with the MK2.5S / MK3S / MMU2S, use this tube instead. Length: 50mm (tolerance +/- 0.2 mm) Inner diameter: 1.85 mm Outer diameter: 4 mm Technical drawings for the various ...
Hotend PTFE Tubing for Prusa i3 MK3S
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Hotend PTFE Tubing for Prusa i3 MK3S
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$1.99
Replacement hotend PTFE tubing for Prusa i3 MK3S / MK2.5S / MMU2S. The tube is trimmed and chamfered for a perfect fit with the existing components. Not compatible with Prusa i3 MK2 / MK2S / MK.25 / MK3 / MMU2, use this tube instead. Length: 44.3mm (tolerance +/- 0.2 mm) Inner diameter: 1.85 mm Outer diameter: 4 mm Technical drawings for the v...
Hotend thermistor for Prusa i3 MK2 and MK3
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Hotend thermistor for Prusa i3 MK2 and MK3
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$14.99
Replacement hotend thermistor for the Prusa i3 MK2/S and MK3/S. Fully wired and ready to be installed.
Idler Tension Spring for Prusa i3 printers
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Idler Tension Spring for Prusa i3 printers
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$3.99
Idler tension spring (1x) for the Original Prusa i3 MK2/S, MK3/S and Multi-Material Add-on (MMU2/S).
IR Filament Sensor Cable for Prusa i3 MK3S
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IR Filament Sensor Cable for Prusa i3 MK3S
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$6.99
Replacement cable for the IR Filament Sensor for Prusa i3 MK3S Not compatible with the optical filament sensor (Prusa i3 MK3), use this cable instead.
IR Filament Sensor for Prusa i3 MK3S
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IR Filament Sensor for Prusa i3 MK3S
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$24.99
A replacement IR filament sensor for the Original Prusa i3 MK3S. Not compatible with the Prusa i3 MK3, use the optical filament sensor instead.

LCD Unit for Prusa i3 3D printer
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$79.99
Replacement LCD unit for Prusa i3 MK2/S, MK2.5/S and MK3/S. Includes two ribbon cables.
LM8UU Linear Bearing for Prusa i3 3D printers
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LM8UU Linear Bearing for Prusa i3 3D printers
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$2.49
Replacement LM8UU Linear Bearing for Prusa i3 3D printers.