The Briggs & Stratton 555778 591302 Flywheel Fan and Cup OEM Parts is a high-quality replacement part designed specifically for Briggs & Stratton lawn mowers. Made with durable plastic and steel materials, this flywheel fan and cup set is compatible with models 699488, 555778, and 591302. With a 12V voltage requirement and a gas power source, this OEM part ensures optimal performance and reliability for your outdoor power equipment. Proudly manufactured in the United States, this flywheel fan and cup set is a crucial component for maintaining and repairing your Briggs & Stratton lawn mower.