Sierra 18-3760 MerCruiser Alpha One Gen II Bell Housing Bushing Kit Replaces 806036A1This Sierra bell housing bushing kit is designed for use with MerCruiser Alpha One Gen II drives.Application Info:Fits MerCruiser Alpha One Gen II drives from 1990-Present with serial numbers 0D469859 & UpInterchangeable with: GLM; 87562; Mallory; 9-72162; Mercruiser Stern Drive; 23-806036A1;