Description: New genuine Acer laptop cooling fan. This is the 40x40 mm fan system. This may be the repair part that you need if your laptop is overheating or shutting down. Please note there are two fans for this model, check part numbers and size closely.

Part #'s: 23.M3EN1.001, K126000360F.

Compatible Models:
Acer Aspire S7-391.