5CB0T70507 – Lenovo Laptop Bottom Base Case – Genuine

This bottom base case (5CB0T70507) is a genuine part specifically designed for Lenovo laptops, ensuring a perfect fit and function. Compatible with various Lenovo models, this replacement part is crucial in providing structural integrity to your laptop. The bottom base case is also known as the “lower case B 81M8,” a key component that houses several important elements of your device. In the event that your Lenovo laptop starts showing signs of physical wear, such as cracks or structural weaknesses, or if you’re experiencing difficulty in keeping the internal components securely in place, replacing the bottom base case can be a viable solution. Before purchasing, make sure to verify your device’s model number to ensure compatibility.

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

This OEM part may be new or refurbished by Lenovo. Lenovo Certified Refurbished products are extensively screened, repaired, tested, and cleaned to high Lenovo standards, but may contain cosmetic imperfections.