Our Prusa PA Nylon Powder-coated Print Sheet is a double-sided powder-coated PA Nylon spring steel sheet that's compatible with: 

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

Our Prusa Print Fan (MK4S/CORE One) is the replacement Hotend fan (blower). 

Compatible with:

MK3.9SMK4SCOREOne/+CORE One L

This product is the replacement for the RGB LED for Prusa CORE One. 

CORE One/+

The Prusa Set PG Assembley + PG Ring is a replacement for a planetary gear with PG ring, compatible with: 

MK3.9/SMK4/SXLCORE One/+ CORE One L

The Prusa Spring 3x9 Set is a replacement for 3x9 springs used in the toolchanger or the nextruder.

Compatible with:

MK3.9MK4/SXLCORE One/+

The Prusa Stepper Motor E-Axis is a replacement for an extruder motor, compatible with: 

MK3.9/SMK4/SXLCORE One/+ CORE One L

Prusa SwingArm is a a SwingArm mechanism for your printer.

Compatible with:

COREOne/+

This product is a replacement NTC thermistor.

Compatible with: 

COREOne/+CORE One L