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Recently, I noticed quite a few folks on Reddit asking about parts and upgrades for the Creality Filament System (CFS), especially those using it with the K2 Plus. Not sure the K2 Plus is your machine? Compare it against the rest of Creality’s range.
Since there’s not a ton of info out there yet, I thought it’d be helpful to put together a straightforward list of official CFS accessories — the ones that are actually useful to have on hand, whether you’re replacing worn parts or just want to be prepared. Check which machine you have first. The K2 SE 4C does not use a CFS at all, it holds four spools on an open rack.
All the items below are original Creality parts.
Some are must-haves for basic operation, while others are good spares or upgrades depending on how heavily you use your printer.
Top 10 Must-Have Creality CFS Accessories
1. CFS 485 Communication Cables – 100cm / 150cm / 45cm
These are the connection cables between the CFS and your printer.
If you’re running into connection drops or need a different length for tidier cable routing, Creality offers these in three sizes.
Good for: Keeping a stable connection between the printer and the CFS.
2. Multi-Color Filament Buffer (a.k.a. Filament Cushioner)
This sits between the CFS and your printer and helps manage filament flow.
It prevents tangles and gives your filament a bit of breathing room when it feeds in and out.
Good for: Smoother filament handling, especially with multiple colors.
Sale $6.00
Creality Filament Buffer, Easy to Install & Multi-Color Support, Original 3D Printer Accessories, Compatible with K2 Plus, Creality Hi 3D Printer Smart Feed Assistance Mechanism – Equipped with a high-quality slider that moves to the right when feeding resistance is detected and returns to the left as filament is used. This provides real-time tension feedback to assist with smooth feeding and retraction, independent of active print jobsSupports Multi-Color – The buffer is engineered to efficiently manage up to 4 CFS (Multi Color Auto Filament System) units, enabling support for as many as 16 different filament colorsSimple & Reliable Passive Operation – Functions without the need for master control or motor drives. The passive mechanical design promotes smooth filament transitions, helps reduce tangles, and minimizes extrusion issues for more consistent print qualityEasy Installation & Universal Fit – It can be fixed to the printer with screws or double-sided tape, without complicated installation steps, making it simple, convenient, and efficientCreality Official Accessories – Designed as an official Creality accessory, this filament buffer is compatible with the K2 Plus Combo, Creality Hi Combo, and other multi-color modified 3D printers
3. CFS Feed and Withdraw Kit
This is the mechanism that pushes filament in and pulls it back out inside the CFS.
If the system isn’t loading or unloading properly, this is usually the part to check or replace.
Good for: Restoring proper filament loading and unloading.
4. Crealilty CFS Bottom Bracket with Brushless Motor
This is the central piece that switches between different filament paths. If it stops switching cleanly or feels stuck, replacing this module can solve it.
Good for: Reliable switching between filament inputs.
Creality Official CFS Five Way Kit, Original CFS Bottom Bracket with Brushless Motor(0.35A, 24V, L11) CFS Replacement Drive Bracket for Multi Color 3D Printer Automatically Filament System 【OEM Exact Base for Creality CFS Feeder】This Creality CFS Bottom Bracket is factory-calibrated matching base assembly exclusively for the CFS multi-color filament feeder. Every mounting hole, gear position and channel port aligns perfectly with the original CFS unit for direct swap【High-Performance Brushless Motor】Equipped with an integrated drive motor and complete color switching gear set inside the housing. It delivers precise automatic channel shifting to realize seamless multi-color printing without manual filament adjustment【4 Independent Filament Channel Design】Four separated bottom outlets provide exclusive passage for each filament strand. It isolates different materials thoroughly to avoid color cross-contamination and messy filament tangles during automatic switching【Pre-Terminated Wiring Harness for Plug-and-Play】Comes with fully assembled multi-color wire cable and standard plug as shown on the picture. No extra wiring or soldering work needed; just plug the connector into the printer mainboard to restore normal feeder operation【Sturdy Shockproof Plastic Housing】Thickened rigid plastic shell holds internal gears and motor tightly in place. It resists vibration and impact from frequent channel switching, maintaining stable drive performance over long print cycles
5. CFS Display Kit
This is the screen on the front of the unit. If yours is dead, flickering, or unresponsive, this kit brings it back to life.
Good for: Replacing a broken or faulty CFS screen.
Sale $0.50
Creality Official CFS/CFS-C Display Screen Kit (74×46×6.6mm), Original Control CFS Screen Module for Multi-Color Printing Box, Durability and Quick Replacement Parts for Creality CFS and CFS-C 【Compatible with Both CFS and CFS-C Multi-Color Boxes】- This is an original Creality display kit, designed as a direct replacement screen unit for both the original Creality CFS and the newer CFS-C Multi-Color Printing Box. It guarantees perfect fit and full functionality restoration for your entire multi-color printing ecosystem.【Restores Complete Control Over Multi-Color Printing】- Replace a cracked, unresponsive, or damaged screen to regain full access to the system’s menu. This allows you to seamlessly select colors, manage filament changes, monitor print status, and control all essential functions for flawless multi-color prints.【Simple Plug-and-Play Installation】- Designed for an easy, tool-free swap in most cases. The process is typically straightforward—carefully disconnect the cable from the old display and connect it to this new unit. Get your multi-color printing back online quickly with minimal downtime.【High-Quality Display for Clear Readability】- Features a quality display that provides clear visibility of menus and status information. Its compact design (approx. 74x46x6.6mm) is engineered to fit precisely into both CFS and CFS-C housings, just like the original part.【Cost-Effective Repair for Screen Failure】- A faulty display can halt your multi-color projects. This official display kit offers a reliable and affordable repair solution compared to replacing the entire module, protecting your investment in Creality’s multi-color system.
6. CFS Mainboard Kit
This is the main control board that runs everything in the CFS. If you’re seeing strange behavior or complete failure even with all other parts checked, this might be the one to swap.
Good for: Fixing system-wide problems or electronics failure.
Sale $4.00
Creality CFS Motherboard Kit – CFS Mainboard Kit_Main_32_MS35774_GD32F303VET6, Original Replacement for Creality Filament System (CFS), 3D Printer Accessories for K2 Plus/HI – Original Creality CFS Motherboard Replacement – Ensure seamless compatibility and optimal performance with this genuine Creality CFS Motherboard Kit (MAIN_32_MS35774_GD32F303VET6), designed specifically for the Creality Filament System (CFS).– Enhanced Reliability & Precision – Built with high-quality GD32F303VET6 chips and factory-tested components, this mainboard guarantees stable operation, precise filament control, and extended durability for your 3D printer.– Easy Installation & Plug-and-Play Setup – Directly replace your existing CFS motherboard without complex configurations. Perfect for restoring or upgrading Creality CFS systems quickly and effortlessly.– Maintain Printer Efficiency – Keep your 3D printer’s filament feeding system running smoothly with this authentic replacement, ensuring consistent print quality and reducing downtime due to faulty components.– Trusted Creality Quality – Backed by Creality’s reputation for excellence, this CFS mainboard kit is rigorously tested to meet strict standards, offering a reliable, long-lasting solution for enthusiasts and professionals alike.
7. CFS Hub Idler Pulley Assembly
A small but important part that helps guide the filament through the hub. If filament movement feels rough or makes noise, this could be worn out.
Good for: Smoother filament routing and tension control.
Creality CFS Hub Idler Pulley Assembly (4.33×21.96×21.99) – Original Replacement for Creality Filament System (CFS) – 3D Printer Accessories Original Replacement Part – This Creality CFS hub idler pulley assembly (4.33×21.96×21.99) is an authentic replacement for the Creality Filament System (CFS), ensuring seamless compatibility and reliable performance.Precise Fit & Durable Build – Designed specifically for Creality CFS, this idler pulley maintains smooth filament feeding, reducing wear and tear for consistent 3D printing results.Easy Installation – The assembly is a direct replacement part, making installation quick and hassle-free without the need for modifications.Enhanced Filament Feeding – Ensures stable filament tension and smooth movement, minimizing jams and improving print quality with your Creality 3D printer.Trusted Creality Quality – Made from high-quality materials, this genuine Creality part guarantees long-lasting durability and optimal performance for your CFS system.
8. CFS Front Tray Shaft Kit
Supports the front tray where filament enters and exits. If the tray movement feels loose or rough, this shaft kit helps get it back on track.
Good for: Restoring stable movement on the front tray.
Sale $3.00
Creality CFS Front Tray Shaft Kit, Original CFS Replacement Accessory, Ensure Multi Color 3D Printer Automatically Filament System Smooth Filament Feed and Return CFS Original: CFS front tray shaft kit is an original accessory, designed to perfectly fit CFS. With dimensions of 3.2 in (8.2 cm) in length and 0.6 in (1.5 cm) in diameter, it guarantees a precise and secure fitTroubleshoot Feed and Return: If the shaft assembly is visibly damaged or not securely mounted, it will result in feed failure and prompt replacement is recommendedDurable and Reliable: Made from high-quality materials, this original CFS part ensures long-lasting performanceFilament Management: Creality CFS front tray shaft kit works seamlessly with the bottom bracket to feed filament into the extruder and drives the tray back and forth to return filament inside the CFSSystem Integration and Response: Work closely with other components of the CFS system to coordinate refueling
If you’re using the CFS regularly, especially for multi-color or multi-material prints, having a few of these on standby is a smart move.
It’s way less stressful to swap a part quickly than to wait for a replacement in the middle of a project.
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