Sierra's 18-3979 Piston Ring Set is designed for use in Mercury marine applications. It is interchangeable with GLM 14910, Mallory 9-54229, and Mercury Marine 39-96170A12. Each Sierra product meets or exceeds the original equipment part it replaces.
Bore Size: 3.375
Interchangeable with GLM 14910, Mallory 9-54229, and Mercury Marine 39-96170A12
Includes two piston rings
Each Sierra product meets or exceeds the original equipment part it replaces
Bore Size: 3.375
Interchangeable with GLM 14910, Mallory 9-54229, and Mercury Marine 39-96170A12
Includes two piston rings
Each Sierra product meets or exceeds the original equipment part it replaces