816431A1 Outboard U-Joint Rubber Bellow For Mercruiser Sterndrive Quicksilver Transom Alpha One Gen 2 Sierra 18-2747 Material: grade rubber bellow Compatibility: Fits Mercruiser Alpha One Gen 2 Stern Drives Replacement Part Numbers: 816431A1 and 18-2747 Dimensions: As shown in the figure Fitment: Mercruiser Alpha One Gen 2 Transom function: Withstands 105℃ evaporation The 816431A1 Outboard U-Joint Rubber Bellow is designed for use with Mercruiser Alpha One Gen 2 Stern Drives.Made from rubber, the bellow is built to endure marine operating conditions.Its construction supports extended service life under typical usage.The dimensions are matched to fit the Mercruiser Alpha One Gen 2 Transom, proper alignment and function with the outboard drive system.Installation includes a stainless steel clamp that secures the connection and helps prevent leaks.This contributes to of the drivetrain.The bellow is capable of withstanding temperatures up to 105℃, making it suitable for use in environments where elevated heat levels may occur.It maintains structural integrity and function during regular marine operations, whether in calm or rough water conditions.