Fan Assembly 647113-001 / 684025-001 for Z820 & Z840 Workstation — Well Tested (fits 749598-001, 782506-001)

Replacement fan assembly compatible with Z820 and Z840 workstation models. Includes part numbers 647113-001 and 684025-001 and has been well tested for reliable operation. Also confirmed to fit or replace part numbers 749598-001 and 782506-001. Ideal for restoring proper cooling in affected workstations.