Based on this product's specifications, here are some alternatives and similar models
Extruder for 3D printer Creality 4001020083, black, 1 pc
Summary description:
Creality 4001020083 extruder for 3D printers. Compatible with Creality devices, supplied in black finish. Sold as a single unit (1 pc). Serves as a replacement or spare part for filament feeding and extrusion in compatible 3D printers, helping restore printing functionality and reduce downtime.