The Briggs & Stratton 691991 Lawn Mower Alternator is a quality replacement component designed for compatible Briggs & Stratton engines and lawn mower applications. It supports the equipment’s charging system by generating electrical power needed for reliable operation of compatible electrical components. This alternator is an ideal replacement for a worn, damaged, or malfunctioning o... https://www.wholetoolbox.com/briggs-stratton-691991-lawn-mower-alternator/691991.html