Briggs & Stratton 691583 Valve Seat Genuine Original Equipment Manufacturer (OEM) part $64.43 in stock as of 03/12/2024 10:35 AM View Product | Affiliate Disclosure Features Sold on Amazon Briggs & Stratton part number 691583. Briggs & Stratton also owns Simplicity, Snapper, and Murray brands. Briggs & Stratton 691583 Valve Seat Genuine Original Equipment Manufacturer (OEM) part Briggs & Stratton 691583 Valve Seat Genuine Original Equipment Manufacturer (OEM) part OEM Briggs & Stratton 691583 Valve Seat Made by Briggs and Stratton $64.43 in stock as of 03/12/2024 10:35 AM View Product