The Genuine 691843 Briggs & Stratton Cap-Valve OEM sold individually is an appliance part designed for lawn mowers and outdoor equipment. It is compatible with multiple brands and model specific, making it suitable for a variety of equipment. The product comes with a California Prop 65 warning for safety. With the brand reputation of Briggs & Stratton, this cap-valve is a reliable and quality part for maintaining and repairing lawn mowers and outdoor power equipment.