Is your 3D printer suddenly missing layers, clicking loudly during prints, or failing to push filament altogether? The culprit is likely a cracked factory plastic extruder arm. Our All-Metal Aluminum Extruder Drive Feed Kit is a direct drop-in replacement engineered to solve this vulnerability once and for all. Precision-machined from lightweight structural aluminum, this MK8-style feeder assembly provides consistent, unyielding tension against your $1.75ext{mm}$ filament, preventing slippage and restoring precise volumetric flow.
Indestructible Metal Construction: Anodized structural aluminum body eliminates the bending, cracking, and wearing common in standard plastic feeders.
Upgraded High-Tension Spring: Features a robust steel spring that keeps the idler bearing pressed firmly against the drive gear, preventing filament grinding.
Adjustable Tension Bolt: Includes an adjustable guide sleeve screw so you can fine-tune the clamping pressure for both hard filaments (PLA/ABS) and softer materials (PETG).
Direct Drop-In Fitment: Uses the exact mounting hole layout as standard NEMA 17 stepper motor configurationsno frame modifications required.
| Feature | Specification |
| Extruder Style | MK8 Bowden / Direct Drive Base |
| Material | Block Aluminum (Anodized Finish) |
| Filament Diameter | 1.75mm |
| Drive Gear | 40-Tooth Brass or Stainless Steel (Standard Bore) |
| Orientation | Right-Handed Assembly |
| Supported Filaments | PLA, ABS, PETG, Nylon, Wood-filled |
| Included Hardware | Extruder Base, Arm, Spring, Pulley Bearing, Drive Gear, Screws, and Bowden Collet |
Perfectly compatible with the Creality Ender 3, Ender 3 Pro, Ender 3 V2, Ender 5, CR-10, CR-10S, CR-20, and any custom DIY desktop 3D printer running standard $40ext{mm}$
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