Keep your HP notebook running cool with this precision-engineered CPU cooling fan, engineered specifically for HP 15-AC, 15-AF, 15-AY, 15-BA, 250 G4, and 255 G4 models. This replacement fan maintains optimal thermal performance, preventing throttling and extending your system's lifespan. Direct compatibility ensures hassle-free installation without modifications. Essential for users experiencing thermal issues or performing routine maintenance on these popular HP laptop series.