5H40S19996 - Lenovo Laptop Heatsink - Genuine

This Lenovo Laptop Heatsink (5H40S19996) is a genuine Lenovo part, designed exclusively for Lenovo laptops. Also known as the 'LS2A Thermal Assy UMA SP,' this heatsink is critical for regulating the temperature of your laptop's internal components, ensuring they operate within safe thermal limits. The efficient design of this component facilitates optimal heat dissipation, thus preventing overheating issues.

If your laptop shows signs of overheating, such as unexpected shutdowns, decreased performance, or the fan running at high speeds more frequently, it might be time to replace the heatsink. A malfunctioning heatsink can lead to thermal throttling or, in worse cases, permanent damage to sensitive components. Replacing the heatsink with this genuine part can help preserve the lifespan and performance of your laptop.

Before making a purchase, kindly verify your laptop's model number to ensure compatibility with this heatsink.

iFixit is an official Lenovo partner. Our Genuine Lenovo parts are supplied by the official Lenovo supply chain.