The Upgrade MK8 Extruder Aluminium Block Bowden Extruder Kit is designed for professional and hobbyist 3D printer users looking for stable, precise, and long-lasting extrusion performance. Made from premium aluminium alloy, this extruder kit provides a durable, lightweight, and heat-resistant upgrade for most Creality 3D printers, including CR-7, CR-8, CR-10, and CR-10S.

The MK8 extruder upgrade features improved filament feeding, a Bowden tube connector for better grip, and a smoother extrusion path that minimizes filament slipping and grinding. Its robust design ensures steady filament flow for PLA, ABS, TPU, PETG, and flexible filaments, enhancing print quality and consistency.

This aluminium block extruder kit comes with all essential parts—screws, spring, drive gear, pneumatic connector, and mounting accessories—making it easy to install and compatible with both direct drive and Bowden setups. Whether you are upgrading from a stock plastic extruder or building a new printer, this MK8 aluminium Bowden extruder offers improved strength, precise filament control, and longer lifespan.

Features:

• Durable full-metal aluminium alloy construction for enhanced heat resistance and rigidity.

• Stronger filament grip and smoother extrusion without slipping or clogging.

• Compatible with 1.75mm filament (PLA, ABS, TPU, PETG, and more).

• Includes pneumatic fittings, spring, and mounting screws for easy installation.

• Supports flexible filaments with improved path alignment.

• Ideal replacement for stock Creality extruders (CR-7, CR-8, CR-10, CR-10S).

• Reduces the risk of filament grinding and ensures consistent feeding pressure.

• Simple DIY assembly and installation using included hardware.

• Lightweight design reduces strain on the stepper motor for smoother prints.

• Maintains stable extrusion pressure for faster and higher-quality prints.

Specifications:

• Model: Upgrade MK8 Extruder Aluminium Block

• Material: Aluminium Alloy

• Color: Red

• Compatibility: Creality CR-7, CR-8, CR-10, CR-10S 3D Printers

• Filament Diameter: 1.75mm

• Extrusion Type: Bowden

• Included Accessories: Screws, Drive Gear, Bowden Tube Fitting, Filament Guide

• Installation: DIY Assembly Required

• Weight: Lightweight Aluminium Structure

Installation & Usage Instructions

1. Remove the old extruder from your printer by unscrewing the mounting bolts and disconnecting the filament tube.

2. Attach the upgraded aluminium block using the provided screws and mount it securely onto your printer frame.

3. Insert the drive gear and spring, ensuring the tension is properly adjusted to prevent slipping.

4. Connect the Bowden tube fitting and ensure a tight connection for consistent filament flow.

5. Feed your 1.75mm filament and manually test extrusion to verify smooth operation before printing.

6. Regularly clean the drive gear and apply a small amount of lubrication to maintain long-term performance.

This MK8 aluminium extruder upgrade delivers precision and reliability for every print, ensuring longer life and improved performance over plastic extruders. Perfect for anyone who prints flexible filaments or wants consistent extrusion pressure and minimal maintenance.

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