Elegoo Centauri Carbon 2 Gearbox Assembly
This is a core component of the extruder system for the Elegoo Centauri Carbon series (specifically the CC2 models).

Function: It is the mechanical assembly responsible for feeding filament into the hotend.

Compatibility: While primarily listed for the Centauri Carbon 2, Elegoo often uses similar numbering systems for the Neptune 4 series parts, though they are usually distinct.