FOR Lenovo ThinkPad T420S T430S CPU Cooler Cooling Fan Heatsink 04W1712

 Laptop CPU Cooling Fan The laptop CPU fan must match the exact laptop model. Laptop CPU fans are identified by an item number, which can be used to verify compatibility. Maintaining a laptop computer involves maintaining all of the important components. When a computer's cooling system fails, the heat can damage a variety of electrical parts. This can cause the computer to malfunction or crash. It is normal for CPU fans to wear down over time, and the quality of the replacement laptop cooling fan should be equal to the old cooling fan