Muffler muffler muffler lawn tractor lawn mower compatible BRIGGS STRATTON JOHN DEERE Fitting: 3/4" external thread For models: BRIGGS STRATTON 100200 , 130900 , 131900 , 132900 , 135200 , 170400 , 170700 , 171400 , 190400 , 190700 , 191700 , 193700 , 194400 , 195400 , 194700 , 195700 , 196700 , 197700 JOHN DEERE 820 - 820a - 325 Part No.: 30270769 Original part No.: 393010S 393010 390249 (B S) LG393010S PT4336 (JOHN DEERE) AH m - AS