The BRIGGS & STRATTON 84005190 Engine Armature Magneto Coil helps provide reliable ignition for consistent engine starting and performance. This replacement ignition component is designed to generate the electrical spark needed to ignite the air-fuel mixture in the engine's combustion chamber. It works by converting the magnetic energy produced by the flywheel into high-voltage electr... https://www.wholetoolbox.com/briggs-stratton-84005190-engine-armature-magneto-coil