Sierra 18-2622 Bell Housing Bushing Kit The Sierra 18-2622 Bell Housing Bushing Kit is interchangeable with the following: GLM 87561, Mallory 9-72161, Mercruiser 23-805041A2, 23-79373A1, 23-79373, 23-45588. Each Sierra product meets or exceeds the original equipment part it replaces. Sierra Bell Housing Bushing Kit Meets or exceeds the original equipment quality Sierra part number: 18-2622 Interchangeable with the following: GLM 87561, Mallory 9-72161, Mercruiser 23-805041A2, 23-79373A1, 23-79373, 23-45588