Sierra Pinion Bearing

Sierra 18-1117 Lower Unit Pinion Bearing

Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine, Johnson/Evinrude Outboards, Mercruiser Stern Drives, Mercury Marine and OMC Stern Drives.

Fits MR, Alpha One and Gen II engines

Interchangeable with:

Chrysler/Force/US Marine

31-F694057

31-42647A1

GLM

21610

Johnson/Evinrude Outboard

387817

5007751

Mallory

9-75121

Mercruiser Stern Drive

31-42647A1

31-42647

Mercury Marine

31-42647A1

OMC Stern Drive

387817