Please verify the product model and size to avoid any issues that may arise after purchase. Compatibility: This carburetor is suitable for 370 and 400F chain saws, compatible with A021001920 part number, providing a precise replacement solution. Easy installation: The design is optimized and the installation process is simple. Users can complete the installation without professional tools, saving maintenance time. Strong durability: The are corrosion-resistant and wear-resistant to ensure long-term use in various environments. Stable performance: The optimized supply system ensures smooth start-up of the chain saw, reduces failures and improves work efficiency. Reliable replacement: Provides ideal replacement for 370 and 400F chain saws, extending the service life of the and reducing the frequency of maintenance. The appearance of the product may vary due to different production batches, but it does not affect its functional use.