Prusa MK3S
Upgrade kits that fit the Prusa MK3S
5 upgrade kits name the Prusa MK3S as compatible in their listings, from 2 brands (Prusa Research and Slice Engineering) sold by Printed Solid.
Listed prices run from $66.95 to $479.00.
None are owner-verified yet: every fit here is the seller's claim, quoted under each part.
Original Prusa i3 MK3/S to MK3S+ upgrade kit
Listed as compatibleUpgrade kitsPrusa Researchsold by Printed SolidOriginal Prusa MMU3 upgrade kit (for MK3S+ Only)
Listed as compatibleUpgrade kitsPrusa Researchsold by Printed SolidOriginal Prusa MMU3 (for MK4S/MK3.9S) - Assembled
Listed as compatibleUpgrade kitsPrusa Researchsold by Printed Solid“Full two-way communication with the printer, Compatible with the MK3S+ and MK4.”
Original Prusa MMU3 (for MK4S/MK3.9S) - Full kit
Listed as compatibleUpgrade kitsPrusa Researchsold by Printed Solid“Full two-way communication with the printer, Compatible with the MK3S+ and MK4.”
Slice Engineering Prusa i3 Upgrade Kit (MK2.5/3/3S/3S+) (EOL)
“Compatible with MK2.5, MK3, MK3S, and MK3S+, the Prusa i3 Upgrade Kit fits a wide range of Prusa i3 models.”
More for the MK3S
Upgrade kits for printers a similar size
Frequently asked questions
How many upgrade kits fit the Prusa MK3S?
We list 5 that their maker or seller says are compatible with the Prusa MK3S.
How much do MK3S upgrade kits cost?
Listed prices range from $66.95 to $479.00 across 1 stores. Prices are from the store listings when we last read them.
How do I know a upgrade kit really fits?
Each part shows the exact wording from its listing. Look for the printer model and revision in that note, and check whether it needs an adapter or a firmware change. If you have installed one, report it on this page so we can mark it verified.