Water Pump Impeller Kit – Fits Mercury/Mariner 30-70 HP (Replaces 46-77177A3, 77177A3) 454HP Compatible with standard OEM gaskets

Compatible with standard OEM gaskets for a complete seal

please verify compatibility using your engine's model name

Varies by manufacturer What’s in the Box

compare the part numbers in the "Part Number Matrix" with your service manual or original part

This gasket fits most Mercury and MerCruiser outboards and sterndrives with 3/8-16 drain screw holes

Water Pump Impeller Kit – Fits Mercury/Mariner 30-70 HP (Replaces 46-77177A3, 77177A3) 454HP Compatible with standard OEM gasketsProduct Details This complete Water Pump Impeller Kit Fits Mercury Mariner 2 Cycle 30 70 HP (Replaces 46 77177A3, 77177A3) provides everything needed to restore your engine's cooling system. It is designed for Mercury Mariner 2 Stroke outboards from 30 HP to 70 HP, covering models from 19761997, including 30 JET, 35, 40, 45, 50, 60, 65, and 70 HP variants. This kit serves as a direct interchange for several part numbers, including Mercury 46 77177A3,