This MK8 Assembled Extruder Hot End Kit is designed as a high-quality replacement hotend for Creality Ender 3 and CR-10 series 3D printers. Built to match original OEM specifications, it includes the signature red cooling tower and aluminium heater block wrapped in a durable black silicone sock for better heat stability. Its compact design ensures perfect compatibility with the Creality hotend metal enclosure, while the quick-release connector and wiring harness make installation and maintenance fast and reliable. Ideal for users who want consistent extrusion, smooth filament flow, and reliable long-term printing performance.

Features:

• Fully assembled hotend unit ready for installation

• High-quality aluminium heating block for stable temperature control

• Black silicone heat sock for thermal efficiency and cleaner prints

• Compatible with Creality Ender 3, Ender 3 Pro, Ender 3 V2, CR-10 series

• Precision 0.4mm brass nozzle suitable for most 3D printing tasks

• Supports 1.75mm filament including PLA, ABS, PETG, TPU and more

• Quick-release connector for easy replacement and repair

• Durable construction designed for long-term reliability

• Lightweight structure for better extruder movement

• Smooth internal PTFE path reducing filament friction

• Ensures consistent extrusion and reduced clogging risks

How to Use:

• Power off the 3D printer completely before installation

• Remove the existing hotend from the extruder carriage

• Connect the wiring harness to the printer’s heater and thermistor ports

• Secure the hotend into the metal enclosure using the threaded mount

• Ensure filament path is aligned with the Bowden tube

• Preheat the printer to proper temperature before loading filament

• Load filament and perform a test extrusion to confirm smooth flow

Installation Instructions:

• Verify whether your printer uses 12V or 24V before purchase

• For Ender 3 and CR-10 series, select the 24V 40W model

• Attach the hotend to the extruder assembly using the external thread connection

• Ensure wiring polarity and connections match the printer configuration

• After installation, run PID tuning for optimal temperature stability

• Check nozzle tightness when hot to prevent leaking

• Perform test prints to ensure optimal performance

Applications:

• Ideal for replacing damaged or worn-out hotend units

• Suitable for high-temperature printing up to 260°C

• Perfect for general prototyping, hobby printing, engineering models

• Works with most 1.75mm filaments used in FDM 3D printing

Specifications:

• Condition: 100% brand new

• Voltage Options: 12V 40W (most printers), 24V 40W (Ender 3, CR-10 series)

• Nozzle Size: 0.4mm

• Filament Diameter: 1.75mm

• Thermistor: NTC 100K B3950 ±1%, length 1m

• Heating Tube: 24V 40W, length 1m

• Throat Length: 30mm

• PTFE Tube: ID 2mm, OD 4mm, length 1m

• Installation Type: External thread connection

• Operating Temperature: -40°C to 260°C

• Material: Aluminium, metal, plastic

• Colour: As shown in image

Package Includes:

• 1 x MK8 CR-10 Hotend Assembly

This package does not include PTFE tube, thermistor or heating element. These components must be purchased separately. Available in both 12V and 24V options.

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