Based on this product's specifications, here are some alternatives and similar models
Finisher spare part Epson C12C937421 for WorkForce Enterprise AM-C4000 AM-C5000 AM-C6000, single unit
Summary description:
The Epson C12C937421 Finisher is a genuine spare part for WorkForce Enterprise multifunction printers. Designed for models AM-C4000, AM-C5000 and AM-C6000, it provides document finishing functions to streamline workflows and improve productivity. Supplied as a single unit, it enables replacement or upgrade of the existing finisher to restore or extend finishing capabilities.