Sierra’s 18-3982 Piston Ring Set is designed for use in Mercury marine applications. It is interchangeable with GLM 14940, Mallory 9-54225, and Mercury Marine 39-822321A12, 39-822321A8, 39-824905A12. Each Sierra product meets or exceeds the original equipment part it replaces.
Bore Size: 3.500
Interchangeable with GLM 14940, Mallory 9-54225, and Mercury Marine 39-822321A12, 39-822321A8, 39-824905A12
Includes two piston rings
Each Sierra product meets or exceeds the original equipment part it replaces
