Brand New Genuine Kohler Oil Seal... We are an Authorized Kohler Dealer... Oil Seal Genuine Kohler Part # 12-032-03-S ID: 1-1/4" OD: 1-7/8" Fits Specific Kohler CH11-CH16, CH410-CH450, CV11-CV16 & CV430-CV493 Model Engines Genuine OEM Kohler 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