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  • MK8 Extruder Hot End Kit for PRO B PRO W printer
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MK8 Extruder Hot End Kit for PRO B PRO W printer


Shipping Weight:80g

Quantity in stock:996103


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This item is a hotend spare part for the MK8 extruder, if your extruder suffers a clog or oozing that cannot be fixed, instead of replacing a new extruder, you can repair it with this kit.

the hot end kit of left and right side for PRO C printer is 800-001-0496 x 1pcs  800-001-0497x 1pcs you can order 2pcs this link hotend , but write a comment for your order , need 1 left and 1 right side for PRO C printer instead. 

the hot end kit for Mecreator 2  printer is  800-001-0482 , you can order this link hotend , but write a comment for your order , need hot end for Mecreator 2  printer instead. 


Material: Aluminum & Stainless Steel & Brass

Connection method: external thread connection

Scope of application: 3D printer

Resistance value : R25°C=100K±1%

Operating temperature range: -40°C+300°C

Cartridge Heater: 12V 40 W

Nozzle size: 0.3mm

Throat pipe length: 38mm with built-in Teflon

Wire length: 1M



100K NTC Thermister

Cartridge Heater

Brass Nozzle


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  • Janus Lammert | 08/01/2020

    Which size do I need for the i3ProB? 2-0.3mm?

    • Jocelin Jia | 08/06/2020

      hello, yes, 2-0.3mm for PRO B

  • Lucas Schumann | 11/24/2019

    will this work with the Geetech i3 pro w ?

    • Jocelin Jia | 11/29/2019

      yes, it can use on pro w printer

  • Joel Dunn | 11/10/2019

    Is there a G2S Pro hot end replacement available?

    • Jocelin Jia | 11/12/2019

      yes, but it is not listed on the store, pls send email to sales@geeetech.com , will arrange offline for you

  • BlueSandbox Sandbox | 09/18/2019

    Hello, will this work to replace the hot end on the acrylic i3 pro c printer?

    • Jocelin Jia | 09/18/2019

      hello, this will not work with pro c printer, pls send email to us, will arrange for you, sales@geeetech.com

  • Stephan Bönig | 08/15/2019

    I have the Mecreator2 - will this kit with a 0,4mm nozzle fit for my printer? I've bought another kit wich runs with 12V and for the Mecreator I need 24V?

    • Jocelin Jia | 08/27/2019

      hello, this kit does not fit Mecreator 2. yes, you need 24 V for this printer, pls send email to sales@geeetech.com , we will arrange for you offline. the nozzle for mecreator 2 is 45-001-0114

  • Joseph Bina | 03/01/2019

    Why is this item not listed in the Hot-End section ?? with the other MK8 replacement parts ??

    • Jocelin Jia | 03/11/2019

      thanks your kind remind, i will adjust it, thanks

  • nabil rayes | 11/13/2018

    is that comparable with the a30 are they all 12v

    • Jocelin Jia | 11/14/2018

      please send mails to victory.lei@geeetech.cn, thanks

  • Anne Diel | 10/22/2018

    Hello! What for a size do I need for the A30 Printer? Thanks!

    • Jocelin Jia | 10/22/2018

      please send mails to victory.lei@geeetech.cn, thanks

  • Tamara Bintener | 10/12/2018

    How do you change the nozzle?

    • Jocelin Jia | 10/22/2018

      use one wrench and one pliers: one to clamp hotend another to unscrew the nozzle

  • Nicola Regge | 09/11/2018


  • Nicola Regge | 09/11/2018

    is it ok for i3 Pro W? is possible also to but some other nozzles (only nozzles) ?

    • Jocelin Jia | 09/12/2018

      yes, u can use it. please search the key word"nozzle"then you will find it, thanks

  • Brad Smith | 01/19/2018

    I just bought an acrylic I3 Pro C, and need to replace both hotends/extruders. Do I need two of these kits with 0.4mm nozzles? I ask, because, like Michael Yuski, my current barrels don't have threads at the top.

    • Jocelin Jia | 03/16/2018

      Hi Brad,sorry for late reply.You can email me more details about your problem:jocelin.jia@geeetech.cn,I will help you.Thanks.

  • Athanasios Pantazis | 10/20/2017

    what hot end size i must use for mk8 extruder for prusa i3 pro b with arrulic frame?

    • Zina Luo | 10/20/2017

      Hi ,this one can and just the 0.3mm nozzle size one .

  • John Husband | 09/02/2017

    Hi, 1. is the MK8 Extruder Hot End appropriate for the Prusa 3i Pro X 2. Do you sell the teflon tube that goes with it. Cheers, John

    • Zina Luo | 09/04/2017

      Hi John,yes we can sell .

  • Michael Yuski | 05/30/2017

    Hi Zena, I have a Geeetech Prusa I3 Pro C and my hot ends have the threads turned down to 5mm for the top 8mm. Your picture does not seem to show that. I know that the threads will not fit into the holder. Does this unit come as shown? Mike.

    • Zina Luo | 05/31/2017

      Hi Mike ,could you pls send this part to my emails?zina.luo@geeetech.cn i will help you to check .

  • Daryl Banks | 04/23/2017

    Will this work on the Geeetech Aluminum Prusa I3 3D Printer

  • Sean Cherven | 04/07/2017

    Will this fit the G2S Pro?

    • Zina Luo | 04/10/2017

      Hi Sean ,sorry that this one cannot fit.

  • Cristian Farid Facundo Tlapale | 03/13/2017

    muy buena impresora quede impresinado con la calidad de impresion

    • Zina Luo | 03/13/2017

      Hi Cristian ,glad to hear that.Which printer you are ?

  • Cristian Farid Facundo Tlapale | 03/13/2017

    ya tengo esta impresora y es excelente la mejor.

  • John Robertson | 02/23/2017

    Hi, is this the correct part for a g2s pro?

    • Zina Luo | 02/25/2017

      sorry that cannot.

  • Mauro Castelli | 02/22/2017

    Hi, is it ok for a 1.75mm filament? (I have got your prusa I3 pro B MK8 extruder 1.75mm) Thanks. Mauro

    • Zina Luo | 02/23/2017

      Hi Mauro,yes .It's the 1.75mm one,can be used on the pro B .

  • Michael Moran` | 02/14/2017

    Why can I not track my order??

    • Zina Luo | 02/22/2017

      hello michael,pls send me your order number and i will help you check the status.

  • Michael Moran` | 02/10/2017

    I need 0.3mm nozzles for the 4 I just ordered

    • Zina Luo | 02/13/2017

      you can remark the size to the sale.Here he cannot note.

  • Percy Armstrong | 01/30/2017

    What size hole is on the M8 hot end?

    • Zina Luo | 02/07/2017

      Hi ,it's 0.4mm one ,which kind you would like i can ask our warehouse to arrange .