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This kit is a direct replacement for Mercury OEM part numbers 8M0090558 and 8M0232733
and 6H1-14303
Includes a complete water pump repair kit
If you store your engine seasonally
Solvents Regulatory California CARB Emission Standards Compliance Manufacturing ISO9002 Certified Factory
677-45113-A0 Power Head Base Gasket for Yamaha Mariner 6B 8B | JLM Marine family-yamaha-c60tlru This kit is a directPower Head Base Gasket Fits Yamaha Mariner 6B 8B 2 Stroke Outboards This aftermarket powerhead base gasket is precision engineered for Yamaha Mariner 6 HP and 8 HP 2 stroke outboard models (6B, 8B). Designed specifically for units with serial numbers starting with 677, this gasket ensures a reliable seal between the powerhead and block, critical for maintaining compression and preventing oil fuel leaks. Direct replacement for OEM part numbers: 677
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