Replacement carburetor compatible with model 640349 for 9HP Tecumseh powered Craftsman snowblowers and snowthrowers Key benefits Restores proper fuel delivery and stable idle so your 9HP snowblower starts and runs reliably. Direct replacement for carburetor model 640349 to simplify and reduce downtime. Designed to address common carburetor problems such as hard starting, rough idle, and stalling without requiring major engine work. Easy to install with basic hand tools for straightforward swapouts during routine maintenance. What this part does This carburetor controls the fuel and air mixture that the engine needs to run. Replacing a worn, clogged, or malfunctioning carburetor with a directfit unit helps engine performance to expected levels and reduces the need for repeated troubleshooting. Compatibility and fit Direct replacement for carburetor model 640349. Intended for use on 9HP Tecumseh powered Craftsman snowblowers and snowthrowers. Designed to match mounting points and fuel connections used on the specified 9HP engines for a proper fit. Performance and reliability Restores consistent throttle response and idle quality. Helps reduce symptoms caused by varnished jets or failing internal components in old carburetors. Suitable for winter service when dependable engine operation is critical. When to Engine is difficult to start or requires excessive choke. Engine runs rough or stalls under load. Fuel leaks or heavy buildup inside the carburetor body. Practical use scenarios Preseason maintenance: the carburetor before winter to ensure reliable starting and operation of a 9HP snowthrower. Poststorage : Install this replacement after seasonal storage when the original carburetor is clogged with stale fuel deposits. Field during snow removal: Swap in a directfit carburetor to restore a Craftsman snowblower that has begun to stall or lose power while clearing a driveway. Notes for installation Basic mechanical skills and common hand tools are typically all that are required. Inspect fuel lines and mounting gaskets during installation and any worn parts to ensure a proper seal and safe operation. This replacement carburetor is presented as a compatible, directfit option for model 640349 on 9HP Tecumseh powered Craftsman snowblowers and snowthrowers to help engine performance and reliability.