Based on this product's specifications, here are some alternatives and similar models
Cooling Fan FUJITSU model 84003816 - replacement fan for servers and IT equipment
Summary description:
Replacement cooling fan FUJITSU model 84003816 designed for use in compatible servers and IT equipment. Provides forced airflow to maintain operating temperatures and ensure reliable performance of hardware components. Ideal for repairs, maintenance or spare-part stocking. Easy to install as a direct replacement when matched to the original fan model.