Sierra’s 18-4101 Piston Kit features a 3.530 bore size and a 0.030 O.S. It is designed for use with Johnson/Evinrude 120 HP (4 Cylinder) (1985-1987), 140 HP (4 Cylinder) (1985-1987), 200 HP (6 Cylinder) (1985-1987), 225 HP (6 Cylinder) (1985-1987), 275 HP (8 Cylinder) (1985-1987), 300HP/3.6L (8 Cylinder) (1985-1987) engines. It is also designed for use with OMC 1.8L (4 Cylinder) (1987), 2.7L (6 Cylinder) (1987), and 3.6L (8 Cylinder) (1987) engines. It is interchangeable with GLM 23850, Johnson/Evinrude Outboard 391653, Mallory 9-53427, and Wiseco 3018S3 and 3118S3. Each Sierra product meets or exceeds the original equipment part it replaces.
Bore Size: 3.530; 0.030 O.S.
Designed for use with Johnson/Evinrude engines
See long description for list of compatible engine models
Interchangeable with GLM 23850, Johnson/Evinrude Outboard 391653, Mallory 9-53427, and Wiseco 3018S3 and 3118S3
Each Sierra product meets or exceeds the original equipment part it replaces