Silencer muffler muffler lawn mower mower compatible BRIGGS STRATTON Connection: 1" internal thread For models: BRIGGS STRATTON 220400 , 220700 , 221400 , 222400 , 251400 , 251700 , 252400 , 252700 , 253700 , 254400 , 254700 , 255700 , 256700 , 258700 , 280700 , 281700 , 283700 , 286700 , 28B700 , 28C700 Part No.: 30270768 Original part No.: 391569S 391569 299477 023343 23343 ah m