Sierra Ball Gear Kit 18-2178 Sierra Marine

An OMC Sterndrive/Cobra Ball Gear Kit, including O-rings, plugs, ball gear, locknuts, and oil seals.

Ball Gear Kit for OMC Sterndrive 1973-86 models contains:

• 1 O-Ring (Sierra# 18-7121)(O.E.# 308621)
• 2 Plugs (Sierra# 18-4251)(O.E.# 908062)
• 1 Ball Gear (Sierra# 18-2176)(O.E.# 908063)
• 1 Ball Gear (Sierra# 18-2177)(O.E.# 908069)
• 2 Locknuts (Sierra# 18-3725)(O.E.# 908064)
• 1 O-Ring (Sierra# 18-7401)(O.E.# 908383)
• 2 Oil Seasl (Sierra# 18-2071)(O.E.# 981195)
• 2 Oil Seals (Sierra# 18-2072)(O.E.# 981196)