Replacement Carburetor for Tecumseh CA631793 CA631440 H70 H80 7 8 9 HP Engines Snowblower Overview A directreplacement carburetor designed for compatibility with Tecumseh CA631793 and CA631440 models. Fits H70 and H80 engines rated 7, 8, and 9 horsepower commonly used on snowblowers and other small equipment. Restores correct air and fuel mixture to help engines start reliably and run smoothly. Key benefits Restores reliable starting and smoother idle: Replaces worn or clogged carburetors to improve cold starts and reduce rough idling. Compatible fit for specific engine models: Direct fit for Tecumseh CA631793 and CA631440, suitable for H70 and H80 7, 8, and 9 HP engines. Simple replacement solution: Designed to match the original mounting and port locations for straightforward installation with basic smallengine tools. Reduces downtime: Keeps snow removal equipment and other small engines operational during peak use periods by providing an accessible replacement part. What it does Mixes fuel and air in the correct ratio required for combustion in small engines. Replaces malfunctioning or damaged carburetors to correct problems such as hard starting, poor acceleration, and unstable idle. Restores consistent engine response and can contribute to more predictable fuel consumption when properly maintained. Compatibility and fit Compatible models: CA631793 and CA631440. Engine types: H70 and H80 series, 7 HP, 8 HP, and 9 HP engines. Typical equipment: Snowblowers and other small engine machines that originally use the listed carburetor part numbers. Function and performance notes Intended as a functional replacement to the engine to expected operation when the original carburetor is the source of the problem. Performance depends on proper installation, adjustment, and overall engine condition. Routine maintenance such as cleaning the fuel inlet and replacing fuel filters is recommended to achieve results. Installation guidelines Installation requires basic smallengine mechanical skills and standard hand tools. Verify engine model number and original part number before installation to ensure proper fit. After installation, adjust idle and mixture settings according to engine service instructions and confirm there are no fuel leaks. Use scenarios Snowblower : a clogged carburetor before winter to ensure reliable snow clearing with H70 or H80 7 8 9 HP engines. Seasonal maintenance: Swap in a replacement carburetor during spring maintenance to address hard starting and rough idle after storage. Field : Carry as a spare part for onsite repairs of small engine equipment used in remote properties or rental fleets. What to check before Confirm your equipment uses Tecumseh CA631793 or CA631440 by checking the part number stamped on the original carburetor. Ensure the engine is an H70 or H80 model rated 7, 8, or 9 HP to match compatibility. Inspect fuel lines, filters, and the fuel tank for contamination that could affect carburetor performance after installation. This replacement carburetor provides a practical, modelspecific solution for restoring fuel delivery and engine responsiveness on compatible small engines used in snowblowers and similar equipment.