Re: Mark 30 gear case cover tool (C-91-29950) Home › Forum › Ask A Member › Mark 30 gear case cover tool (C-91-29950) › Re: Mark 30 gear case cover tool (C-91-29950) MumblesReplies: 5764Topics: 298 August 9, 2018 at 5:52 pm #80880 Here’s one. https://www.moparmall.com/Mercury-Outbo … 41-012.htm