Sierra 18-2142 Power Trim Cylinder Sierra Power Trim Cylinder Meets or exceeds the original equipment quality Sierra part number: 18-2142 Interchangeable with the following: GLM 21980, Mercruiser 45706A14, 45706A1, 45706A3, 45706A6, 45706A8, 45706A12 Fit specific, check part numbers to ensure proper fit