Replace the palmrest and keyboard on your Lenovo ThinkPad X1 Extreme or P1 Gen 4 and Gen 5 with this genuine Lenovo component. The 5M11D11999 C-cover with keyboard is designed specifically for US backlit and WLAN versions, providing a seamless fit and consistent performance. Restore your laptop's functionality and appearance with this new part. Remember to verify your laptop model number to confirm compatibility before purchase.