Description

Sierra’s 18-1728 Below Flange Ring is designed for use with Mercruiser Alpha One Gen II engines 1991 and newer. It is interchangeable with Mercruiser 816607 and Mallory 9-73117. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use with Mercruiser Alpha One Gen II engines 1991 and newer
Interchangeable with Mercruiser 816607 and Mallory 9-73117
Includes one bellow flange ring per package
Each Sierra product meets or exceeds the original equipment part it replaces