Replacement non-original part designed to fit for MS661 chainsaws, ensuring compatibility and performance. Replaces parts with number 1144 140 1001, providing a reliable alternative for your chainsaw maintenance needs. Easy installation process, allowing users to quickly replace the air filter cover without professional assistance. Stable characteristics and high reliability, ensuring optimal performance and of your chainsaw. This air filter cover is specifically designed for MS661 chainsaws, making it an ideal replacement for the original part with number 1144 140 1001. Its easy installation process allows for quick and hassle-free replacement, ensuring that your chainsaw operates efficiently. With stable characteristics and high reliability, this non-original part provides a dependable solution for maintaining your equipment. Please verify the number and model number before purchase to compatibility. Thank you! Color: Image Color Material: plastic Package Contents: 1*Filter cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.