Bambu Auxiliary Extruder Gear Assembly — X2D (FAE051)

Official Replacement Gear Set • Auxiliary Extruder • Genuine Bambu Lab Part

Overview

The Bambu Auxiliary Extruder Gear Assembly (FAE051) is the official replacement gear assembly for the auxiliary extruder in the Bambu Lab X2D. Located inside the auxiliary extruder and driven directly by the extruder motor, this assembly feeds filament to the auxiliary hotend during printing and retracts filament during material changes, ensuring smooth, accurate extrusion and dependable dual-nozzle operation.

Replacing worn gears restores proper filament grip, improves feeding consistency, and helps eliminate extrusion issues caused by gear wear.

Why replace the Auxiliary Extruder Gear Assembly?

• Genuine Bambu Lab replacement part
• Restores reliable filament feeding and retraction
• Improves extrusion consistency and print quality
• Precision OEM gears for long service life
• Factory-fit replacement for dependable dual-nozzle performance

Key features

• Official auxiliary extruder gear assembly for the X2D
• Driven directly by the auxiliary extruder motor
• Feeds filament smoothly into the auxiliary hotend
• Controls filament retraction during unloading and material changes
• Direct replacement for the factory-installed gear assembly

Compatibility

• Bambu Lab X2D

Please verify your printer model before ordering.

Common signs of replacement

• Extruder clicking or slipping during printing
• Under-extrusion or inconsistent filament flow
• Difficulty loading or unloading filament
• Worn or damaged drive gears
• Reduced filament grip after extended use

What's in the box

• Active Gear ×1
• Passive Gear ×1
• Spring ×1
• Spring Plate ×1
• 693ZZ Bearing ×1
• M3×8 Screw ×1

Installation & maintenance

• Power off and unplug the printer before servicing
• Follow the official Bambu Lab replacement procedure
• Clean any filament debris from the extruder housing before installation
• Verify the gears rotate freely before reassembly
• Perform a filament loading test after installation to confirm proper operation

Product specifications

• Part Number: FAE051
• Product Type: Auxiliary Extruder Gear Assembly
• Material: Metal
• Color: Black
• Package Size: 60 × 60 × 30 mm
• Package Weight: Approx. 0.026 kg

Local advantages (Convoy-Westcan, Winnipeg)

• Same-day or next-business-day dispatch when in stock
• Winnipeg: free local courier on eligible filament and accessory orders over $60
• In-store pickup available with knowledgeable local support

Policy snapshot

Replacement parts and mechanical components are final sale once installed. Approved returns must be new and unopened; restocking fees and non-refundable shipping may apply.