Shop by Brand Yamaha OutboardCam Shift ; Cap ; Cap Lower Casing ; Casing, Lower Back Lower Unit Assembly 6B4-45300-10-4D Viewer:86 OEM No.: 6B4-45300-10-4D / 6B4-45300 / 6B4-45300 For Yamaha outboard 9.9, 15 HP You May Also Be Interested In Cap, Plug 62E-82371-11-00 Lower Unit Assembly 6B4-45300-10-4D Gear, Forward 67F-45560-00-00(30T) O-Ring 25-90011/9001 1