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Original Prusa MK3.9/MK4 Plastic Parts
$ 4.99
Compatible Printers
MK3.9
MK4
Why buy from US?
- Free Domestic Shipping on Orders Over $50
- US Based Inventory: Ships directly from our Delaware warehouse.
- Final Price Guarantee: No surprise tariffs, duties, or hidden fees.
- Fast Shipping: Most orders received by noon Monday through Friday ship the same day.
- Not sure about your purchase? Just ask!
Compatible Accessories
EL Box Cover
This product includes:
EL BOX COVER (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
Main Plate set MMU3
Important: Main-plate for the MMU3 differs from the main-plate used in the stock single-material MK4/MK3.9.
This product includes:
- Main-plate (2 pc)
- O-ring (2 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
PG Case
This product includes:
- PG CASE (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
xLCD - Printed Parts & Fasteners
This product includes:
- xLCD SUPPORT RIGHT (1 pc)
- xLCD-support-right (1 pc)
- xLCD-cover(1 pc)
- M3X8 screw (5 pcs)
- PE faston (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
Wi-Fi Cover
This product includes:
- WI-FI-COVER (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 Z Bottom Left Orange
This product includes:
- Z-BOTTOM-LEFT-ORANGE (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 Z Bottom Right Orange
This product includes:
- Z-BOTTOM-RIGHT-ORANGE (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 Love Board Cover Back
This product includes:
- LOVEBOARD-COVER-BACK (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 Heat bed Cable Holder
This product includes:
- HEATBED-CABLE-HOLDER (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 Love Board Cover Right
This product includes:
- LOVEBOARD-COVER-RIGHT (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 Z Top Left Orange
This product includes:
- Z-TOP-LEFT-ORANGE (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 Z top Right Orange
This product includes:
- Z-TOP-RIGHT (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 xLCD Knob
This product includes:
- xLCD-KNOB (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 xLCD Support Right
This product includes:
- xLCD-SUPPORT-RIGHT (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 xLCD Support Left
This product includes:
- xLCD-SUPPORT-LEFT (1 pc)
To replace the part/s, please consult our Assembly Manuals. Make sure to follow the manual for your printer model.
MK4 xLCD Cover
This product includes:
- xLCD COVER (1 pc)
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.
Frequently asked questions
What is the return policy?
Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right.
Are any purchases final sale?
We are unable to accept returns on certain items. These will be carefully marked before purchase.
When will I get my order?
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Where are your products manufactured?
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
How much does shipping cost?
Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.