Replacement Carburetor 640169 for OH318SA OHSK80 OHSK90 OHSK100 OHSK110 Engines Restore reliable fuel delivery and engine starting with this metal replacement carburetor, designed as a directfit replacement for part number 640169. Built for small engines that use the OH318SA and OHSK80, OHSK90, OHSK100, OHSK110 model series, this carburetor delivers consistent fuel and air metering to help your equipment run cleaner and start easier. Key benefits Direct replacement for part number 640169, compatible with OH318SA and OHSK80 OHSK90 OHSK100 OHSK110 engines. Verify your engine model and part number before . Metal construction for durability and long service life in outdoor equipment applications. Restores proper fuel and air mixture to reduce hard starting, stalling, and rough idle issues caused by worn or damaged carburetors. Simple installation design that fits existing mounting points and linkages on compatible engines; basic hand tools required. Improves throttle response and steady idle when matched to the correct engine and installed with recommended adjustments. Main features Function: regulates the fuel and air mix delivered to the combustion chamber so engines start reliably and run smoothly. Compatibility: listed for OH318SA and OHSK80 OHSK90 OHSK100 OHSK110 engine models that accept part number 640169. Material: robust metal body that resists wear under normal operating conditions. Quantity: 1 piece included. Practical use scenarios Lawn mower : a worn or leaking carburetor to restore starting and consistent idle on mowers powered by the listed engine models. Small engine maintenance for garden equipment: swap the carburetor on a tiller or cultivator to fix stalling or fuel flooding problems. Portable generator or pressure washer : install the replacement carburetor to recover reliable engine operation after prolonged storage or fuel contamination. Notes for buyers Confirm engine model and part number 640169 before ordering to ensure compatibility. Basic tuning or adjustment of idle and mixture screws may be required after installation to optimize performance for your specific equipment. Intended as a replacement part for the specified engine models and applications.