Feature:1. Compatibility: The carburetor is a reliable garden tool replacement part, and is designed to fit for MS311 MS311Z MS391 MS391 2 Blend MS391Z MPN WTE 9A chain saws.2. Aluminum Material: The chainsaw carburetor is made of premium aluminum material, which is wear proof, sturdy and durable, with high performance, not easy to break.3. How It Works: The chainsaw carburetor converts fuel to gas by heating it and then mixing the gas with airflow to create a combustible gas mixture, providing more power.4. Perfect Replacement: The original chain saw engine carburetor parts or damaged parts can be replaced directly, with higher strength and convenience, perfect replacement.5. Extend Service Life: The chainsaw carb is easy to install and replace, simple operation, regularly replace the carburetor parts can extend the service life of your chain saw.Specification:Item Type: CarburetorMaterial: AluminumWeight: Approx. 154g/5.4ozApplication: Suitable for MS311 MS311Z MS391 MS391 2 Blend MS391Z MPN WTE 9AApplicable Machine: Chainsaw.Package List:1 x Carburetor