Maintain consistent print quality by upgrading or replacing the heater cartridge in your hotend with the Creality Heating Tube Kit (SKU?4004060036). Designed specifically for the Ender?3 S1 and S1 Plus, this 24?V, 40?W heater delivers reliable and efficient heating, ensuring fast warm-up and steady temperature control. With its compact 50?mm (L50) design and standard 6?mm diameter, this cartridge is easy to install and provides excellent thermal performance.Built to last, this genuine Creality part helps reduce print failures caused by temperature fluctuations or insufficient heat delivery-especially valuable when using high-temperature filaments or tackling long print jobs.