CARBURETOR ASSEMBLY TECUMSEH 50-642 This OEM carburetor assembly is engineered for Tecumseh small engines, delivering precise fuel-air mixture control for optimal engine performance. The 50-642 model ensures reliable cold starts and consistent operation across varying load conditions. Built to original equipment specifications, this assembly maintains fuel efficiency while reducing emissions. Direct replacement for compatible Tecumseh engines used in lawn equipment, generators, and outdoor power tools. Proper installation restores your engine to factory performance standards.