Elegoo Assembled Extruder Kit for Neptune 4 Pro

The complete Neptune 4 Pro toolhead — direct drive extruder, hotend rated to 300 °C, two fans and the breakout board. A 5.2:1 reduction gives grip to spare: filament stops slipping at Klipper speeds and soft TPU no longer binds in the feed path. It ships assembled and crimped, so the swap comes down to four screws and a couple of connectors.

Specifications

• Direct drive, dual gears, 5.2:1 reduction ratio
• Hotend with 0.4 mm brass nozzle, rated to 300 °C
• Two fans: part cooling and heat sink
• EL-A breakout board and wiring harness included

Compatibility: Elegoo Neptune 4 Pro. Re-check the Z-offset and run bed levelling after fitting.