BestParts New CPU Cooling Fan with Heatsink Replacement for Lenovo

In this review of the BestParts New CPU Cooling Fan with Heatsink Replacement for Lenovo Yoga C740-15IML, the bottom line is simple: this is a targeted repair part for owners who need a direct swap for a failing cooling module and want better thermal material than stock. The module ships with a screwdriver, thermal paste, and a manual to simplify installation, and the most notable engineering choice is copper fins instead of aluminum, which aims to improve heat conduction. For technicians and DIY laptop owners seeking a like-for-like replacement, this part offers clear practical benefits.

Key Features

• Direct compatibility: Designed specifically for the Lenovo Yoga C740-15IML (Type 81TD), ensuring physical fit and connector match for straightforward replacement.
• OEM part number match: Compatible with PN 5H40S19962, so it replaces the original thermal module without modification.
• Copper fins: Uses copper instead of aluminum for the heatsink fins, which improves thermal conductivity and helps move heat away from the CPU more efficiently.
• Complete kit: Includes 1x thermal module with fan, 1x screwdriver, 1x tube of thermal paste, and 1x manual to make installation easier for hands-on users.
• Two-year warranty: Backed by a two-year warranty with seller support through the order page for any post-purchase issues.

Who It's For

This replacement is a good fit for DIY laptop owners, repair shops, and technicians who need a drop-in cooling module for the Yoga C740-15IML and prefer a component with copper fins for potentially better heat transfer. The included tools and paste make it convenient for users who are comfortable opening their laptop and following a replacement guide.

It is not suitable for users with different Lenovo models or those who need a universal or upgraded cooling solution beyond form-fit compatibility. If you want quieter fan technologies or full aftermarket cooling redesigns, consider alternate cooling upgrades rather than a direct replacement module.

Pros & Cons

Pros

• Direct fit for Lenovo Yoga C740-15IML, reducing installation time and compatibility risk.
• Copper heatsink fins offer improved thermal conductivity compared with aluminum in the same form factor.
• Includes screwdriver and thermal paste, so you have the basic tools to complete the swap immediately.

Cons

• Customer feedback shows mixed opinions on heat transfer and noise level, so real-world gains may vary by unit and system condition.

Specifications

Product type	Thermal module with fan (replacement)
Compatible models	Lenovo Yoga C740-15IML (Type 81TD)
Compatible PN	5H40S19962
Kit contents	1x thermal module w/fan, 1x screwdriver, 1x thermal paste, 1x manual
Heatsink material	Copper fins (replaces aluminum fins)
Warranty	Two-year warranty

Our Verdict

The BestParts replacement cooling module is a practical, value-oriented option for anyone needing a like-for-like replacement for the Yoga C740-15IML. Its copper fins and included installation tools make it a sensible choice for repairs, though reported variability in noise and heat behavior means results depend on the individual laptop and installation. For owners seeking a reliable swap with a solid warranty, this is a reasonable buy.

Frequently Asked Questions

Does this replace the original part exactly?
Yes. It is intended as a direct replacement compatible with PN 5H40S19962 and the Yoga C740-15IML (Type 81TD).

What comes in the box?
The package includes the thermal module with fan, a screwdriver, a tube of thermal paste, and a manual to guide installation.

Is this quieter than the original?
Customer reports are mixed on noise level; some users notice less noise while others see no change, so outcomes may vary by unit and system condition.