Server Heat Sink Cooling Fan — Compatible with System ST558 / 01KP658 / 01KP749

Replacement heat sink cooling fan assembly designed for use in servers that require System ST558 or parts 01KP658 and 01KP749. This direct-fit cooling fan restores proper airflow and thermal management for compatible server units, making it suitable for maintenance or repairs. Simple to install as the matching spare for systems specified by those part numbers, it helps keep internal temperatures under control and supports reliable operation.