Ittecc CPU Cooling Fan Fit for MacBook Pro 13.3" A1278 13" Aluminum Unibody MagLev ZB0506AUV1 6A B3657 The condition is new, Compatible Model:MacBook Pro 13.3" A1278 13" Aluminum Unibody SUNON MagLev ZB0506AUV1-6A (B3657.13.V1.F.GN). Printed Part #: KSB0505HB, UDQFZZH70DQU MagLev ZB0506AUV1-6A (B3657.13.V1.F.GN). Apple Part #: 922-8620