Based on this product's specifications, here are some alternatives and similar models
Flat fusing belt Ricoh D1794197 (D179-4197) DIA80 seal for fuser assembly
Summary description:
Ricoh D1794197 flat fusing belt (D179-4197) with DIA80 seal is a replacement fuser component designed for use in compatible Ricoh fuser assemblies. The part provides the sealing and belt surface needed during the fusing process, helping ensure consistent paper heat transfer and print quality. Intended for maintenance and repair of printers to restore reliable fusing performance.