This extruder sensor flap is a practical replacement accessory designed for S1 and S1C series 3D printers, making it an essential tool for DIY FDM printing projects. It effectively solves issues caused by lost or damaged springs during extruder maintenance, ensuring smooth and stable printing performance.

Made with metal laser cutting technology, the 5.0mm wide spring plate matches official dimensions for a precise fit. Although there are minor structural differences, they do not affect overall performance. Built to withstand high-temperature environments, it maintains stable operation up to 105℃. Installation is simple and straightforward: just remove the original part and install this replacement in the original position to restore normal printer function.