A3240 Bottom Case for 2025 MacBook Air 13″ M4

This bottom case is designed for the 2025 MacBook Air 13″ M4 (A3240). It serves as the structural base of the laptop, supporting and protecting internal components such as the logic board, battery, and cooling system. Replace the bottom case if it is bent, cracked, or damaged, or if the existing case is causing alignment or stability issues. Installing this part restores proper fit and protection, ensuring the MacBook functions safely and securely.