920358 Ball bearing, starter motor gear (inner) end

This inner ball bearing for the starter motor gear is a precise replacement part designed to ensure your starter drive operates smoothly without binding. It is a direct replacement for OEM 8877 and is typically used as a single unit within the starter assembly. Fitment includes 1989 to 1990 Big Twin models, 1981 to 1990 Sportsters, and 1991 to 1994 Sportster 883 models. When you are rebuilding a starter or addressing unusual noise during cranking, replacing this bearing is a smart move to ensure long-term reliability. It meets factory specifications to provide the durability needed for high-torque starting cycles, helping your motor fire up consistently every time you hit the button.