Sierra’s 18-3975 Piston Ring is designed for use in Johnson and Evinrude outboard applications. It is interchangeable with GLM 24250, Johnson/Evinrude 431870, Mallory 9-54432, and Wiseco 3685KD. Each Sierra product meets or exceeds the original equipment part it replaces.
Bore Size: 3.685
Interchangeable with GLM 24250, Johnson/Evinrude 431870, Mallory 9-54432, and Wiseco 3685KD
Includes two piston rings
Each Sierra product meets or exceeds the original equipment part it replaces
