Ford Motor Company 3C3Z-4537-SA Differential Pinion Bearing Spacer

Ford Motor Company part 3C3Z-4537-SA is a differential pinion bearing spacer used in Ford differentials. This OEM spacer sits in the pinion bearing area of the differential assembly to establish correct bearing spacing and maintain proper alignment of the pinion gear within the housing. The part number 3C3Z-4537-SA uniquely identifies this Ford spacer for compatible differential applications, and it is typically encountered during differential service, rebuilds, or pinion bearing replacement procedures. As a Ford design element, this spacer is intended to fit alongside related Ford pinion components as part of the standard assembly in applicable models.