Com que impressoras Prusa é compatível esta ventoinha do hotend?

Compatível com Prusa MK4, MK4S, MK3.9, MK3.9S, XL, CORE One, CORE One+ e CORE One L. Não é compatível com MK3.5, MK3.5S, MK3S+, MK3, MK2.5S, MK2.5, MINI, MINI+, MMU3, SL1S, HT90 nem INDX.

Qual a diferença entre a Ventoinha do Hotend e a Ventoinha de Impressão?

A Ventoinha do Hotend arrefece o dissipador do Nextruder em contínuo para prevenir heat creep (funciona sempre). A Ventoinha de Impressão arrefece a peça impressa (arrefece o plástico depositado). São componentes distintos com funções diferentes.

O heat creep pode causar entupimentos permanentes no hotend?

Sim. O heat creep amolece o filamento na zona fria do dissipador, podendo solidificar em posição incorreta e causar entupimentos difíceis de remover. Uma ventoinha em bom estado é a principal prevenção.

Onde posso encontrar o manual de instalação?

O manual de reparação está disponível em help.prusa3d.com — seleciona o modelo específico da tua impressora para aceder ao guia correto de substituição da ventoinha do hotend.

Genuine Prusa Parts - Hotend Fan – (MK4 / MK3.9 / XL / CORE One)

Prusa

Genuine Prusa Parts - Hotend Fan – (MK4 / MK3.9 / XL / CORE One)

Name: Genuine Prusa Parts - Hotend Fan – (MK4 / MK3.9 / XL / CORE One)
Brand: Prusa
Price: 10.49 EUR
Availability: InStock

€10,49 EUR

The Hotend Fan is the official Prusa replacement part for cooling the Nextruder heatsink, compatible with MK4, MK4S, MK3.9, MK3.9S, XL, CORE One, CORE One+, and CORE One L. Responsible for maintaining the heatsink at a controlled temperature throughout the print, it prevents heat creep — the undue upward transfer of heat to the cold zone of the hotend, which causes clogs and extrusion failures.

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🌟 Hotend Fan – Prusa (MK4 / MK3.9 / XL / CORE One)

The Hotend Fan is the official Prusa replacement part for cooling the Nextruder's heatsink, compatible with MK4, MK4S, MK3.9, MK3.9S, XL, CORE One, CORE One+, and CORE One L printers. Responsible for maintaining the Nextruder's heatsink at a controlled temperature throughout the print, it prevents heat creep — the improper rise of heat to the cold zone of the hotend that causes clogs and extrusion failures. Its replacement restores proper hotend cooling and ensures reliable and continuous prints.

🔹 What distinguishes the Prusa Hotend Fan?

Official Prusa part — guaranteed quality and compatibility with the Nextruder across the entire compatible printer family.
Continuous cooling of the Nextruder heatsink — maintains the cold zone of the hotend at the correct temperature to prevent heat creep and clogs.
Compatible with the broader family of Prusa printers with Nextruder — MK4, MK4S, MK3.9, MK3.9S, XL, and the entire CORE One family.
Direct replacement — fits without modifications in the original position.
Guided installation — repair manual available at help.prusa3d.com for the specific model.

✅ Advantages

Restores correct hotend cooling and prevents heat creep clogs.
Original replacement part with factory quality.
Compatible with Prusa's entire current Nextruder family.

⚙️ Compatibility

Compatible with:

Prusa MK4 · MK4S · MK3.9 · MK3.9S · XL · CORE One · CORE One+ · CORE One L

Not compatible with:

MK3.5 · MK3.5S · MK3S+ · MK3S · MK3 · MK2.5S · MK2.5 · MK2S · MK2 · MINI · MINI+ · MMU2S · MMU2 · MMU3 · SL1 · SL1S · CW1 · CW1S · HT90 · INDX

💡 Notes and Recommendations

Attention: different from the Print Fan — this is the hotend heatsink fan (continuous cooling), not the print cooling fan.
Sold individually — includes 1 hotend fan.
For correct installation, consult the repair manual at help.prusa3d.com and select the specific printer model.

Material tested and approved by Smart3DPT ✅

Other options

Frequently asked questions

Compatible with Prusa MK4, MK4S, MK3.9, MK3.9S, XL, CORE One, CORE One+, and CORE One L. Not compatible with MK3.5, MK3.5S, MK3S+, MK3, MK2.5S, MK2.5, MINI, MINI+, MMU3, SL1S, HT90, or INDX.

The Hotend Fan continuously cools the Nextruder's heatsink to prevent heat creep (it runs constantly). The Print Fan cools the printed part (it cools the deposited plastic). They are distinct components with different functions.

Yes. Heat creep softens the filament in the cold zone of the heatsink, which can cause it to solidify in the wrong position and lead to difficult-to-remove clogs. A fan in good working condition is the main preventative measure.

The repair manual is available at help.prusa3d.com — select your specific printer model to access the correct hotend fan replacement guide.