816607 Bellow Bell Housing Retainer Sleeve Ring for Mercruiser Alpha One, Gen 2 Material: Aluminum Replaces OEM Part # 816607 and Sierra # 18-1728 Fitment: Designed for Mercruiser Alpha One, Gen 2 outboard engines Dimensions: As shown in the figure, with precise measurements to proper fit Temperature Resistance: Capable of withstanding temperatures up to 105℃ This bellow bell housing retainer sleeve ring is a critical component for maintaining of Mercruiser Alpha One, Gen 2 outboard engines.Constructed from aluminum, it is built to endure marine conditions and provides a secure seal within the bell housing assembly.The design supports consistent function under operating temperatures, contributing to long-term engine integrity.The sleeve ring features exact dimensions for accurate fitment, compatibility during installation.It serves as a direct replacement for OEM Part # 816607 and Sierra # 18-1728, offering a practical solution for maintenance or repair.Installation is straightforward, making it suitable for use during routine servicing.Meets or exceeds XRmarine standards, providing dependable function and.This part is intended for use on compatible Mercruiser Alpha One, Gen 2 models, supporting efficient and function over time.