Optimized for Performance: The ZM4000 Carburetor is an essential component for maintaining in your chainsaw. Designed for use with a variety of models, this carburetor ensures a steady fuel-to-air mixture, promoting efficient combustion and optimal power output. Its air cooling system is specifically engineered to dissipate heat, preventing overheating and maintaining consistent performance even during prolonged use. Whether you're tackling heavy-duty tasks or engaging in light pruning, this carburetor is a reliable choice for your chainsaw's engine. Effortless Installation and Compatibility: The ZM4000 Carburetor is not only a high-performance upgrade but also a straightforward installation. With clear and concise instructions included, you can easily replace your old carburetor with this precision-engineered part. The carburetor's compatibility with a range of saws, including the -4200, -370, -400, and more, ensures that you can find the for your specific model. Its design makes it easy to handle, making installation a breeze. Built for Reliability and Durability: Constructed from robust metal materials, the ZM4000 Carburetor is designed to withstand the rigors of frequent use in various outdoor conditions. Its robust build ensures that it can withstand the high temperatures and vibrations typically experienced during chainsaw operation. The carburetor's precise engineering minimizes the emission of volatile organic compounds, adhering to the specified 105 Volatile standard. This commitment to quality and reliability makes the ZM4000 Carburetor a trusted choice for enthusiasts and professionals alike. SINGLE CYLINDER,AIR COOLING,2 STROKE FOR FITS ECHOCS-4200 Zomax 40 1700 4000 3800 -370 CS380 & MORE. REFERENCE: REPL. PART#(S): - THE PICTURES CAN TELL MORE THEN ,WHAT YOU SEE IS WHAT YOU RECEIVE ,PLEASE MAKE SURE IT CAN FIT YOUR ENGINE BEFOR YOU BUYING ON IT. Performance: High-efficiency air cooling system Compatibility: Fits a wide range of chainsaws including -4200, -370, -400, and more Design: Single cylinder, 2-stroke engine design Installation: Easy-to-follow installation instructions included Weight: for easy handling Zomax 40 Carburetor Zomax 4000 Carburetor Zomax 4000 Color: Dark Gray Material: Metal Package Contents: 1 * CARBURETOR 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.