An all metal extruder upgrade on the Creality Ender-3 3D Printer has the benefits of better print quality, easier filament changes and less chance to break.
Creality Ender 3 V3 SE - 3DJake International
Filament Guide Pulley for Ender 3 with Dual-Drive Extruder Upgrade by Polly-Jeanius, Download free STL model
Guide: How to Assemble the Creality Ender-3 - Let's Print 3D
Creality Extruder Types and Upgrade Guide — Creality Experts
ZMorph SX 3D Printer Review: Life At The Bleeding Edge, 53% OFF
Any tips for a first time Ender3 user? : r/ender3
Guide: How to Upgrade the Extruder (Ender-3) - Let's Print 3D
How to Upgrade the Extruder on a Creality Ender 3 or CR-10 — Creality Experts
Official Creality Ender 3 Direct Drive Extruder Kit, Comes with 42-40 Stepper Motor Hotend Kit, Support Flexible TPU Filament, BL Touch, Compatible with Ender 3 Pro/Ender 3 V2 : Industrial & Scientific