Sierra International 18-2353 Shift Rod Bushing Assembly Sierra Shift Rod Bushing Assembly Meets or exceeds the original equipment quality Sierra part number: 18-2353 Interchangeable with the following: GLM 21015, Mallory 9-76136, Mercruiser 23-815921A21, 23-815921A17, 23-815921A10, 23-815921A8, 23-815921A6, 23-815921A2