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causing the seawater pump to stop turning
It is crucial to match your engine model
under cowling on outboard engine Fuel Type Gasoline Connection 5/16" (8mm) ID fuel line Housing Material Plastic Housing Color White/Clear Fitting Type Barbed hose connection Thread Size N/A (non-threaded) Other Technical Attributes Includes hose clamps for installation What’s in the Box
The anti-cavitation plate is robust enough for this modification
and milky-looking engine oil
Water Pump Impeller Kit – Fits Mercury/Mariner 30-70 HP (Replaces 77177A3, 46-77177A3) 40-50HP causing the seawater pump toProduct Details This Water Pump Impeller Kit is designed for Mercury and Mariner 3070 HP 2 stroke outboard engines manufactured between 1977 and 1997. It ensures your engine's cooling system functions efficiently, preventing overheating and potential damage. The kit serves as a direct replacement for Mercury part numbers 77177A3 and 46 77177A3, as well as Sierra 18 3324 and GLM 12100, providing a comprehensive solution for your maintenance needs.
