Briggs & Stratton 221873 Retainer Plug Seal Genuine Original Equipment Manufacturer (OEM) Part $27.04 in stock as of 03/14/2024 10:14 PM View Product | Affiliate Disclosure Features Sold on Amazon Briggs & Stratton part number 221873. Briggs & Stratton also owns Simplicity, Snapper, and Murray brands. Briggs & Stratton 221873 Retainer Plug Seal Genuine Original Equipment Manufacturer (OEM) Part Briggs & Stratton 221873 Retainer Plug Seal Genuine Original Equipment Manufacturer (OEM) Part RETAINER-SEAL $27.04 in stock as of 03/14/2024 10:14 PM View Product