Eathtek Replacement CPU Cooling Cooler Fan for Acer Aspire 4339 4250 4552 4253 4552G 4739 4739z 4749 D529 series, Compatible with part numbers DFS531005MC0T 022412B Compatible Model Numbers: Acer Aspire 4339 4250 4552 4253 4552G 4739 4739z 4749 D529 Compatible Part Numbers: DFS531005MC0T 022412B 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.