Based on this product's specifications, here are some alternatives and similar models
Motor for Internal Module Hub BambuLab — replacement part BML-26513
Summary description:
Replacement motor designed for the internal Hub module of BambuLab devices, model BML-26513. This component serves as a direct-fit drive element for the module, intended for maintenance and repair of the internal hub assembly. Use it to restore motorized functions of the module and maintain reliable operation of the device.