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Home / Hot End and Nozzle / 3D Printer 6x20 Single-End Cartridge Heater - 12V 40W / 24V 40W Mold Heating Rod

Attributes

Brand -
Category 3D Printing Accessories / Hot End and Nozzle
Origin -
Diameter 6mm
Length 20mm
Voltage Options 12V / 24V
Power Rating 40W
Material Stainless Steel 304
Wire Length 1000mm
Wire Insulation High Temperature Silicone
Connection Type Single-End Molded
Compatibility Standard V6 Hotend Blocks
Package Includes 1 x Cartridge Heater

5 reviews

A

Anonymous

Apr 08, 2026

Rating: 5/5

Perfect Replacement

This heater fit perfectly into my hotend block. Heating speed is consistent with the original part. Very satisfied with the purchase.

A

Anonymous

Apr 07, 2026

Rating: 4/5

Solid Component

Been using it for a few weeks now. No fluctuations in temperature. Make sure you select the correct voltage before ordering.

A

Anonymous

Mar 12, 2026

Rating: 4/5

Good Quality

Works well on my 24V setup. The wire insulation seems durable. Only minor issue was the wire was slightly stiff during installation.

A

Anonymous

Mar 04, 2026

Rating: 5/5

Exact Specifications

Dimensions are accurate. 6mm diameter and 20mm length fit my aluminum block snugly. No gaps for better heat transfer.

A

Anonymous

Feb 23, 2026

Rating: 5/5

Fast Heating

Reaches target temperature quickly. I use it for PLA and PETG without any issues. Great value for the price.

5 FAQ

Q: How long are the power leads?

A: The silicone wires are approximately 1000mm in length, providing plenty of slack for most printer frames.

Q: Can I use the 24V version on a 12V printer?

A: No, please ensure you select the voltage that matches your printer's power supply to avoid insufficient heating or damage.

Q: Does it come with thermal paste?

A: No, thermal paste is not included. We recommend applying a small amount during installation for optimal heat transfer.

Q: Is this compatible with the Ender 3 V2?

A: Yes, this heater is compatible with the standard V6 hotend setup found on the Ender 3 V2.

Q: What is the maximum safe operating temperature?

A: This heater is designed to safely operate up to 300°C, which covers most common filament types.

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