Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 425Get this manual
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BIGFOOT GEAR HOUSING
11 Oil Seal Driver (91-31108)
12 Treaded Rod (91-31229) and Nut (91-24156)" 13 Slide Hammer (91-34569A 1)
90-857046 AUGUST 1998