The Briggs & Stratton 593139 Flywheel helps maintain steady engine rotation by storing rotational energy and supporting consistent operation. Connected to the engine’s crankshaft, it contributes to balanced rotation and helps support the ignition system where applicable. Replacing a worn or damaged flywheel can help restore proper engine function and maintain dependable equipment perf... https://www.wholetoolbox.com/briggs-stratton-593139-flywheel/593139.html