Shop by Brand Yamaha OutboardCam Shift ; Cap ; Cap Lower Casing ; Casing, Lower Back Lower Unit Assembly 66T-45300-02-4D Viewer:90 OEM No.: 66T-45300-02-4D For Yamaha outboard 40 HP You May Also Be Interested In Casing, Lower 69W-45301-00-8D Lower Casing Cup 6CE-45361-10-00 Gasket, Upper Casing 6H3-45114-A1-00 Seal 6H3-14457-00-00/6H3-14457-01-00