Eathtek Replacement CPU Cooling Fan for HP Probook 4520S 4525S 4720S series, Compatible Part Number 598677-001 MF60120V1-Q020-?S9A GC057514VH-A 607132-001 613291-001 598676-001 Compatible Model Numbers: HP Probook 4520S 4525S 4720S 598677-001 MF60120V1-Q020-?S9A GC057514VH-A 607132-001 613291-001 598676-001 Replacement and high quality,Replace your faulty, cracked or broken fan. Each fan is tested before shipping All pictures are taken from the real item, please check carefully before bidding. Notes: The fans are produced by Forcecon,ADDA,Sunon,Kipo or any other manufacturers,you may receive any depending on the stocks.