Compatible Part Numbers:FML9 DC28000QEF0 DFS5310050PL0TCompatible Models: -- Acer Predator Helios 300 PH317-53 PH315-52 (2019), Helios 300 PH317-53-77X3 PH315-52-78VL Series Laptop -- Acer Nitro 5 AN515-55 AN517-52, Nitro AN515-55-53AG AN517-52-52T3 AN515-55-55M1 Series LaptopPackage Include:1x Replacement GPU Cooling Fan