Mercury Mariner 1667-9011A73 Lower Unit Gearcase 3-Jaw 100hp 115hp 125hp 4cyl

Removed from a  Mercury Outboard 115hp (S/N OG240680) - Inline 4 cylinder 2-Stroke Part #'s 3-Jaw Lower Gearcase Assembly 1667-9011A73 / 1667-9011T73 (Long Shaft) Related Gearcase numbers (Not related to shaft length) 1667-9011A74 / 1667-9011T74 (Mariner) 1667-9011A80 / 1667-9011T80 (Tracker) Compatibility Generally Found Mercury 4-Cylinder Outboards (100hp / 115hp / 125hp) 1995-1997 Please Check parts manual or send me your serial number to ensure comaptibility. This is for unmodified outboards from the 1995-1997 period that currently have the 3-Jaw Reverse Clutch system. Check This Link For more explanation between the 3-Jaw and 6-Jaw Gearcases You can look for a marking mentioned in the above link that will help you identify what you have. If you have a 3-Jaw Clutch system and want to switch to a 6-Jaw system, You have to pull the powerhead and replace the shift shaft... Or you can just replace it with the same 3-Jaw gearcase for the meantime. Item Condition an