Yamaha Head Gasket - 18-3804 - Sierra
Price: $27.99
Save: $9.00
(24% Off $36.99)
Part # 18-3804
2nd Day Air for $2 More Eligible
This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 27-84733M
  • MERCURY MARINE 27-19138M
  • MERCURY MARINE 27-19138
  • YAMAHA 689-W0001-A1-00
  • YAMAHA 689-11181-02-00
    For: Mercury/Mariner Model 30A; S/N Code 689
Will this fit my 1985 mariner 150 ser a167977?
No it is part number 18-3863.

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