Water Pump Impeller Kit with Housing – Fits Mercury/Mariner 30-70 HP (Replaces 46-77177A3, 77177A3) 55-60HP and cracks or stiffness in

and cracks or stiffness in the impeller blades

Remove the old impeller and woodruff key

Brand Part Number Yamaha 6E5-44352-01-00 Sierra 18-3071

as well as aftermarket equivalents like Sierra 18-3039

rotating it in the direction of engine operation

Water Pump Impeller Kit with Housing – Fits Mercury/Mariner 30-70 HP (Replaces 46-77177A3, 77177A3) 55-60HP and cracks or stiffness inProduct Details This complete Water Pump Impeller Kit with Housing is designed for Mercury and Mariner 30 70 HP 2 stroke outboard engines manufactured between 1977 and 1997. It ensures your engine's cooling system functions efficiently by providing all necessary components for a full replacement, protecting the engine from overheating and costly damage. The kit serves as a direct replacement for multiple part numbers, including Mercury 46 77177A3 and