Based on this product's specifications, here are some alternatives and similar models
Handle OKI 3PP4025-2871P021
Summary description:
The OKI 3PP4025-2871P021 Handle is designed for compatibility with OKI dot matrix printers including models ML5590, ML5591, ML3320, ML3390, ML3321, and ML3391. This grey handle ensures durability and ease of use, making it an essential spare part for maintaining your printer's functionality.