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Silver aluminium dual-input extruder with cooling fan and thermistor, 1.75 mm filament path

YINGHUA

YINGHUA 2 in 1 Out Extruder 24V 40W 1.75mm 0.4mm 3D printer accessory

SKU CH-8G3J-DQMCA

Dual-filament hotend with 0.4 mm nozzle for 1.75 mm material, 24 V 40 W heater and 100 K thermistor

  • Dual-filament printing enabled by 2-in-1 hotend design
  • Reliable 40 W heating at 24 V for consistent extrusion
  • Precise 0.4 mm nozzle suits standard 1.75 mm filament
  • Durable all-metal aluminium shell resists wear during long prints
  • Drop-in MK8 compatibility simplifies hotend replacement

Dual-extrusion hotend for MK8 systems

This all-metal hotend accepts two 1.75 mm filaments and merges them through a single 0.4 mm nozzle. It ships with a 40 W heater cartridge rated for 12 V or 24 V operation, a 100 K thermistor and a cooling fan. The aluminium body replaces a worn or damaged MK8 hotend on compatible printers.

Sustained thermal behaviour

The 40 W cartridge maintains stable nozzle temperature during long multi-material prints without the temperature droop seen in lower-wattage designs. The all-metal construction dissipates heat evenly, so the heat-break zone stays consistent across extended layers. Active fan cooling on the cold side prevents heat creep when printing high-temperature filaments for hours.

Upgrade path and fit

It directly swaps an existing single-extrusion MK8 hotend, adding dual-filament capability without changing the printer frame or motion system. The change is worthwhile when you need soluble support, colour blending or material mixing on a machine that currently runs one filament at a time. It does not suit bowden-only setups or printers that cannot accommodate the wider dual-drive extruder body.

Highlights

  • Dual-filament printing enabled by 2-in-1 hotend design
  • Reliable 40 W heating at 24 V for consistent extrusion
  • Precise 0.4 mm nozzle suits standard 1.75 mm filament
  • Durable all-metal aluminium shell resists wear during long prints
  • Drop-in MK8 compatibility simplifies hotend replacement

Specifications

No published specifications for this item yet.

Questions about this item

How much power does the 24 V 40 W heater draw during long prints?

The 24 V 40 W heater runs at 40 watts, so it pulls roughly 1.7 A from a 24 V supply and reaches temperature quickly with minimal overshoot.

Does the kit include everything needed to mount it on my MK8 carriage?

The package provides the single-head extruder, a 12 V/24 V 40 W heater cartridge, a 100 K thermistor and a cooling fan — you must supply the mounting hardware and wiring.

Will this 0.4 mm nozzle hotend work with my existing Bowden tube and 1.75 mm filament path?

Yes, the hotend accepts 1.75 mm filament and uses a standard 0.4 mm nozzle, so it fits typical Bowden couplers and PTFE tubing already on many printers.

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