Shop by Brand Mercury OutboardBearing Back Needle Bearing 31-160521 Viewer:107 OEM No.:31-160521 For Mercury outboard 9.9, 15, 18 HP 2 & 4 Stroke You May Also Be Interested In Ball Bearing 30-16049 4/16049 4 Roller Bearing 31-30895/30895 Connecting Rod Kit 677-11650-00 Throttle Cable Assembly 63610-96300-000/63610-96301-000