Brand New Genuine Tecumseh Muffler... We are an Authorized Tecumseh Dealer... Muffler Genuine Tecumseh Part # 36950A Fits Specific Tecumseh OVRM Model Series Engines (Not All) Genuine OEM Tecumseh Part If you need assistance locating correct part, Please email Model, Spec and Serial numbers of your engine and we will gladly look up correct parts... ** Tecumseh Parts are Very Specific to Spec Number of Model Engine They Fit... For Example a HM80 Model Engine Could Have 10 or More Carburetors Available, Depends on Spec of Your Engine as to Whch Would be Correct Carb...**