The Original Prusa MK4 to MK4S Upgrade Kit contains everything you need to fully upgrade your stock MK4 3D printer to the new MK4S.

The upgrade is supplied as a kit - you need to assemble it yourself. 

This power cable connects the LED assembly to the Boost board.

Compatible with: 

SL1S

Genuine E3D Prusa Nozzles like the E3D Prusa Nextruder Nozzle High Flow Brass 0.40mm feature an all-metal filament guide, ensuring that the entire path of the filament through the Nextruder is all-metal, no PTFE tubes anywhere.

This improves the overall reliability of your Prusa 3D printer and makes changing nozzles much faster.

Compatible with:

MK3.9MK4/SXLCORE One/+ CORE One L

The Prusa IR filament Sensor Cable (Einsy) is the replacement IR filament sensor to Einsy cable. It is ONLY compatible with the MK3S/MK3S+. It is NOT compatible with the MK3.

The Prusament PETG Jungle Green 1.75mm 1kg is an in-house-made filament at Prusa Research.

The whole manufacturing process is closely monitored and tested.

Guarantee ±0.02mm precision and highly consistent colors. 

You can inspect the parameters of every spool made at prusament.com. 

The Prusa Trapezoid Nut XL is a replacement part for the Trapezoid nut, compatible with: 

XL

Our Prusa Nextruder Heat Block (Genuine) is an aluminium block for the hot-end assembly dedicated for printers using Nextruder.

Compatible with:

Our Prusa Hotend Thermistor (MINI/+) is the Genuine Prusa Mini Thermistor for: 

MINIMINI+

Prusament PETG is an in-house-made filament at Prusa Research, with popular products like Prusament PETG Yellow Gold 1.75mm 1kg available for delivery Australia-wide.

The whole manufacturing process is closely monitored and tested.

Guarantee ±0.02mm precision and highly consistent colours. 

You can inspect the parameters of every spool made at prusament.com. 

Prusament PETG V0 is an in-house-made filament at Prusa Research.

The whole manufacturing process is closely monitored and tested.

Guarantee ±0.02mm precision and highly consistent colors. 

You can inspect the parameters of every spool made at prusament.com. 

Prusa MK4S Textured Powder-coated Print Sheet is a double-sided textured PEI powder-coated spring steel sheet compatible with: 

MMU2MMU3MK2MK2/SMK2.5/SMK3/SMK3/S+MK3.9MK4/S

Our Prusa Print Fan (Genuine) is the replacement Print fan. It is compatible with the Original Prusa i3 MK3/S/+ and MINI/+.

This product is a Prusa lubrication set for linear rails (3-6 months interval)

XLCORE One/+

The Prusament PETG Magnetite 40% Grey 1.75mm 1kg is an in-house-made filament at Prusa Research.

The whole manufacturing process is closely monitored and tested.

Guarantee ±0.03mm precision and highly consistent colors. 

You can inspect the parameters of every spool made at prusament.com. 

E3D Prusa Nextruder Nozzle High Flow Obxidian 500 0.40mm

Powered by brand new ObXiDian® 500 technology, these premium nozzles are an official collaboration between E3D and Prusa. Users will get exceptional wear-resistance that effortlessly outshines other hardened nozzles. This long-lasting, simple upgrade allows you to easily achieve pristine prints with ANY filament over and over again! 

Product Features:

•     Compatibility with Nextruder: Prusa MK3.9/S, MK4/S, XL, COREOne/+/L
•     Easy installation
•     Built to last - five times more wear resistant than ObXidian
•     Ultimate abrasion resistance, print with any filament even glow in the dark filaments
•     Heat creep resistant heatbreak

Compatible with:

MK3.9MK4/SCOREOne/+CORE One LXL