Shop by Brand Yamaha OutboardCam Shift ; Cap ; Cap Lower Casing ; Casing, Lower Back Lower Unit Assembly 66T-45300-02-4D Viewer:101 OEM No.: 66T-45300-02-4D For Yamaha outboard 40 HP You May Also Be Interested In Cap Lower Casing 6G1-45361-01-4D Cap Lower Casing 662-45361-00-EJ Damper, Water Seal 663-44366-00-00 Propeller 58100-93723-019