Bambu Lab H2S Dual Extruder Unit (FAE031)

Overview

Replacement extruder unit from Bambu Lab designed for the H2S and H2S Laser printers. The dual-tooth feeder design ensures stable and precise filament dosing and increased wear resistance. This is an original part developed for the H2S ecosystem.

Why this part

• Optimized for H2S: full compatibility with H2S and H2S Laser.
• Dual gearing (drive + idler) for strong grip and minimal slippage.
• Hardened steel gears for long service life even with engineering materials.
• Designed to work with the PMSM servo extruder motor in H2S for precise feed control. (Motor not included; sold separately.)

Package contents

• Extruder Unit ×1
• Screw M2.5×8 ×2
• Screw BT3×12 ×2
• Screw BT2×6.5 ×2
  These screws cover the required mounting into the H2S toolhead.

Key features

• Accurate and consistent filament feeding thanks to dual gears.
• High wear resistance (hardened steel on the gears).
• Easy replacement according to the official guide on the Bambu Lab Wiki.
• Genuine Bambu Lab part with guaranteed compatibility with H2S/H2S Laser.

Technical specifications (summary)

• Materials: plastic, metal; gears: hardened steel
• Color: gray/black
• Package dimensions: 120 × 80 × 65 mm
• Package weight: 0.225 kg
• Filament: 1.75 mm (per H2S specification)
• Compatibility: Bambu Lab H2S, H2S Laser
• Note: extruder motor not included
  See the official product page for detailed specs and compatibility.

Installation and maintenance

We recommend following the official guide on the Bambu Lab Wiki (H2 Series extruder replacement section) and performing the installation with the device powered off.

Key features:

• Original replacement extruder for Bambu Lab H2S/H2S Laser
• Dual geared pressure for higher feeding force and minimal slippage
• Hardened steel gears – durable even when printing engineering materials
• Compatibility with the H2S PMSM servo extruder motor (precise control)
• Complete set of mounting screws included
• Fast and safe replacement per the official guide