ELEGOO Neptune 4 Series Z Axis Motor – OEM Vertical Motion Replacement

Description

ELEGOO Neptune 4 Series Z Axis Motor – OEM Vertical Motion Replacement

The Z Axis Motor for the Neptune 4 Series is an original OEM replacement stepper motor designed to control the printer’s vertical movement. Responsible for raising and lowering the gantry during printing, this motor ensures precise layer height control, smooth vertical motion, and consistent print accuracy throughout the build process.

Built to match factory specifications, the motor is fully compatible with the motion system of the ELEGOO Neptune 4 series printers. It provides stable torque, accurate stepping resolution, and reliable long-term operation — making it ideal for restoring performance if the original motor shows signs of wobble, noise, skipped steps, or inconsistent layer heights.

With OEM-matched mounting points, shaft dimensions, and wiring connector, installation is straightforward and requires no firmware adjustments or hardware modifications.

Key Features

• Original OEM Z-axis stepper motor for Neptune 4 series

• Controls vertical gantry movement and layer height accuracy

• Smooth and stable lifting motion for consistent prints

• Helps reduce Z-banding, layer shifts, and wobble issues

• Plug-and-play compatibility with factory wiring

• Ideal replacement for worn or failing Z motors

Specifications

• Product Type: Z-Axis Stepper Motor

• Compatibility: ELEGOO Neptune 4 / 4 Pro / 4 Plus / 4 Max

• Motor Type: Precision stepper motor

• Step Angle: approx. 1.8° per step

• Function: Controls vertical gantry movement (Z axis)

• Shaft Type: Lead-screw coupled motor shaft

• Connector: OEM JST-style connector

• Installation: Direct factory replacement fit