New CPU GPU Dual Cooling Fan Replacement for Lenovo ThinkBook 14S-IWL 14S-IML K4-IWL S540-14IWL 6Pro-14IWL, Fan DFS5K123043630 FLDU DFS150305180T FL05

This brand-new CPU and GPU dual cooling fan kit is a direct aftermarket replacement for noisy, worn or broken original cooling fans of Lenovo thin-and-light ThinkBook notebooks. Precisely molded to match fan models DFS5K123043630 FLDU and DFS150305180T FL05, it fits ThinkBook 14S-IWL, 14S-IML, K4-IWL, S540-14IWL and 6Pro-14IWL series with zero modification required.

Adopting premium low-noise brushless dual motors, the fans output steady powerful airflow to quickly dissipate heat from processor and graphics chip. It efficiently solves common cooling faults such as loud rattling fan noise, thermal throttling, high-temperature automatic shutdown and performance decline during document editing, video conferences and light creative multitasking.

All mounting brackets, screw positions and built-in power cables strictly comply with factory original standards, supporting simple self-repair without extra adapters or professional tools. Built-in shock-absorbing construction minimizes vibration and operating noise, while reinforced fan blades greatly extend service life under continuous daily workloads.

This cost-effective DIY repair accessory restores your slim ThinkBooks original heat dissipation efficiency, saves expensive official maintenance fees and extends the service life of your lightweight business creative notebook.