Shop by Brand Yamaha OutboardCam Shift ; Cap ; Cap Lower Casing ; Casing, Lower Back Lower Unit Assembly 66T-45300-02-4D Viewer:102 OEM No.: 66T-45300-02-4D For Yamaha outboard 40 HP You May Also Be Interested In Lower Unit Assembly 66T-45300-02-4D Cap, Plug 62E-82371-11-00 Shear Pin 17-815111/815111 Piston Kit 688-11636-02 0.50