MK3_Compatible_Parts

Grégoire Saunier edited this page Oct 16, 2018 · 6 revisions

This page lists sources and part numbers for various replacement parts for the Original Prusa i3 MK3 printer.

Electrical Components

Connectors

Part Name Used In / Description Manufacturer Part Number Source / Source Part Number
4-pin connector (body) Keyed, 4-pin connector used on Einsy for connections to stepper motors. Molex: 50-57-9404 Mouser: 538-50-57-9404
Digikey: WM2902-ND
TME: MX-70066-0178
3-pin connector (body) Keyed, 3-pin connector used on Einsy for connection to fan. Molex: 50-57-9403 Mouser: 538-50-57-9403
Digikey: WM2901-ND
TME: MX-70066-0177
2- pin connector (body) Keyed, 2-pin connector used on Einsy for connections to thermistors and the Power Panic board. Molex: 50-57-9403 Mouser: 538-50-57-9402
DigiKey: WM2900-ND
TME: MX-70066-0176
Terminal / Pin for keyed connectors Female terminals (pins) used in 4-pin and 3-pin keyed connectors on the Einsy board. Molex: 16-02-0097 Mouser: 538-16-02-0097
DigiKey: WM2513-ND
TME: MX-16-02-0097

Motors

Part Name Used In / Description Manufacture Part Number Source / Source Part Number
Stepper motor (X/Y/E) Stepper motors used on X and Y axis, and on extruder LDO Motors: LDO-42STH38-1004A ?
Stepper motor (Z) Stepper motors used on Z axis LDO Motors: LDO-42STH34-1004L321E ?

Fans and Blowers

Part Name Used In / Description Specification Manufacture Part Number Source / Source Part Number
Noctua fan Hotend fan - 5V
- 0.05A
- 4500 RPM
- Size: 40x40x10 mm
- Mounting hole spacing: 32x32 mm
- Airflow: 8,2 m³/h (4.83 CFM)
- Static Pressure: 1,78 mm H₂O
Noctua NF-A4x10 5V Noctua website
5015 Blower fan Nozzle fan - 5V
- 0.30A
- 4500 RPM
- Size: 50x50x15 mm
- Mounting hole spacing: 38x43 mm
- Airflow: 3.8 CFM
? ?

Heated Bed

Part Name Used In / Description Specification Manufacture Part Number Source / Source Part Number
Magnets Magnets for MK52 heated bed - Neodymium Material Type: N35UH
- Size: 20x6x2.3 mm
- Hole depth in MK52: 2.5-2.7 mm
- Maximum Operating Temp: 180°C
? ?

Cable Management

Part Name Used In / Description Specification Manufacturer Part Number Source / Source Part Number
Wrap Braided Cable Sleeve MK52 Heated bed and X-axis stepper - Material: Polyester
- Diameter: 5mm
- Length: 300mm
HellermannTyton: 170-01000 Conrad: 541298
AliExpress: Clone
Wrap Braided Cable Sleeve Hotend assembly cable bundle - Material: Polyester
- Diameter: 13mm
- Length: ?
HellernammTyton: 170-01002 Conrad: 540704
3mm nylon cable Support for extruder cables - Material: Nylon
- Diameter: 3mm (not 2.85mm like nylon filament!)
- Length: ?
? ?

Power Supply

Part Name Used In / Description Specification Manufacturer Part Number Source / Source Part Number
Delta PSU 24V 320W Compatible PSU for MK3 24V 320W Delta PMF-24V320WCGB Delta website
Mean Well PSU 24V 350W Compatible PSU for MK3 24V 350W Mean Well LRS-350-24 Mean Well website
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