# Creality K2 PLUS CFS Hub Idler Pulley 4004120026 for 3D Printers

**URL:** https://aio.lv/en/product--creality-4004120026--12271651
**Data updated:** 2026-04-16 16:31 (EEST)
**Category:** Office Equipment Accessories
**Manufacturer:** Creality
**Manufacturer code:** 4004120026
**EAN:** 6977726811095
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-08-14 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--creality-4004120026--12271651

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 12.08.2026 | free |
| Pickup points | 17.08.2026 | 1.89 EUR |
| Courier delivery to door | 17.08.2026 | 4.99 EUR |

## Summary description

Replacement hub idler pulley designed for Creality K2 PLUS CFS 3D printers, model 4004120026. Serves as an idler/tensioning component in the filament drive and motion system, ensuring smooth belt or filament routing and reduced wear. Useful for maintenance, part replacement, and improving print reliability in daily use.

## Long description

Creality K2 PLUS CFS Hub Idler Pulley 4004120026 is a replacement idler/tensioning pulley intended for use in Creality K2 PLUS CFS 3D printers. It functions as a guide and tension element within belt or filament routing systems, helping to maintain consistent motion and reduce wear on drive components. The part is designed to restore proper belt alignment and filament path when the original pulley shows signs of wear or damage.
Advantages
The hub idler pulley provides a simple mechanical solution to maintain belt tension and filament routing. As a direct replacement component, it can reduce play and vibration in the motion system, contributing to more consistent layer registration. The part is compact and intended for straightforward installation, allowing routine maintenance or quick replacement to minimize printer downtime.
Suitable for
Replacement of worn or damaged idler pulleys in Creality K2 PLUS CFS 3D printers
Routine maintenance to ensure consistent belt tension and filament guidance
Repair tasks aiming to reduce motion noise and improve print repeatability
When it may not be suitable
This pulley is specifically designed for Creality K2 PLUS CFS series printers. It may not fit other printer models or brands that use different pulley dimensions, mounting patterns, or bearing types. If the drive system problem is caused by a damaged motor, worn belt, misaligned carriage, or other mechanical faults, replacing only the idler pulley may not resolve the issue.
Key specifications
Function: Idler / tensioning pulley for belt or filament routing
Compatibility: Intended for Creality K2 PLUS CFS 3D printers
Material: Durable engineering plastics and metal hub components (typical for idler pulleys)
Application area: Motion system and filament drive guidance
Form factor: Compact hub pulley designed for direct replacement
How to use
Power off and unplug the printer before performing any maintenance. Access the mounting point for the existing idler pulley, remove any retaining screws or fasteners, and carefully extract the worn pulley. Install the replacement pulley in the same orientation, secure fasteners to the original torque or manufacturer recommendations, and check belt or filament tension and alignment after installation. Perform a test move or calibration to confirm smooth motion and proper routing before resuming print jobs.
What to consider before purchase
Confirm that the pulley form factor and mounting method match the Creality K2 PLUS CFS printer
Inspect the belt, bearings, and adjacent hardware to determine whether additional parts should be replaced
Verify that you have basic tools and safe workspace to perform the replacement
Usage recommendations
Replace the pulley at the first signs of wear, excessive play, or unusual noise in the motion system. After installation, re-tension belts and run a short calibration or homing sequence to ensure alignment. Keep spare fasteners and a small toolkit available for routine maintenance to reduce downtime.

## FAQ

### How much does the Creality K2 PLUS CFS Hub Idler Pulley 4004120026 cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 12.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Creality products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Creality service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty