Oregon 35-032 Muffler for 4-7 HP Engines Tecumseh Part Numbers 35771, 35771A, 32648A and 33697A0 Replaces Tecumseh part numbers 35771, 35771A, 32648A and 33697A0 For 4-7 HP engines Fits HS40, LAV40, HS50 and LAV50 engines