Sierra’s 18-1159 Tapered Roller Bearing is designed for use in Mercury marine and Mercruiser stern drive applications. It is interchangeable with GLM 21590, Mallory 9-75120, Mercruiser Stern Drive 31-35928A1, 31-35928T1, and Mercury Marine 31-35928A1. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Mercury marine and Mercruiser stern drive applications
Interchangeable with GLM 21590, Mallory 9-75120, Mercruiser Stern Drive 31-35928A1, 31-35928T1, and Mercury Marine 31-35928A1
Includes one bearing per package
Each Sierra product meets or exceeds the original equipment part it replaces
