The Tecumseh 631828 Engine Service Carburetor helps regulate the air and fuel mixture supplied to compatible Tecumseh engines for proper combustion. This service carburetor supports controlled fuel delivery to help the engine start and run as designed during regular equipment operation. It is a practical replacement for a clogged, worn, damaged, or faulty carburetor that may cause sta... https://www.wholetoolbox.com/tecumseh-631828-lawn-mower-service-carburetor/631828.html