Description

Sierra’s 18-1143 Tapered Roller Bearing is designed to fit IA/IB/IC and EZ Shift, 120, 140, and 160, MR, Alpha One and Gen II engines with serial numbers 0K999999 and below. It is interchangeable with GLM 31580, Mallory 9-75107, Mercruiser Stern Drive 31-36387A1, and Mercury Marine 31-36387A1. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed to fit IA/IB/IC and EZ Shift, 120, 140, and 160, MR, Alpha One and Gen II engines with serial numbers 0K999999 and below
Interchangeable with GLM 31580, Mallory 9-75107, Mercruiser Stern Drive 31-36387A1, and Mercury Marine 31-36387A1
Includes one bearing per package
Each Sierra product meets or exceeds the original equipment part it replaces