Tecumseh 390330 Muffler Genuine OEM Tecumseh Part Fits Various Tecumseh Engines Including: HSK600-1627R, HSK600-1627S, HSK600-1639S, HSK600-1640R, HSK600-1640V, HSK600-1671R, HSK600-1671S, HSK600-1674R, HSK600-1674S, HSK600-1675S, HSK600-1681T, HSK600-1687S, HSK600-1695S, HSK600-1696S, HSK600-1696T, HSK600-1698S, HSK600-1700S, HSK600-1700Z, HSK600-1705S, HSK600-1706S, HSK600-1709T, HSK600-1711U, HSK600-1711V, HSK635-1722A, HSK635-1724B, HSK635-1725A, HSK635-1726A, HSK635-1726B, HSK635-1727A, TH098SA-1726E Also Fits Toro Snowthrower Models: 38400, 38405, 38190, 38191, 38195, 38196, 31411, 31412, 31501, 31502