Water Pump Impeller Kit – Fits Mercury/Mariner & Johnson/Evinrude 30-70HP (Replaces 46-77177A3), Water Pump Impeller Kit – Fits Mercury/Mariner & Johnson/Evinrude 30-70HP (Replaces 46-77177A3) 175-350HP 17-30HP Inspect the old lube for

Inspect the old lube for any signs of water intrusion (milky appearance) or excessive metal shavings

peeling at the edges

which lists compatible models

Install the new impeller by rotating the driveshaft in a clockwise direction to bend the vanes correctly

Water Pump Impeller Kit – Fits Mercury/Mariner & Johnson/Evinrude 30-70HP (Replaces 46-77177A3), Water Pump Impeller Kit – Fits Mercury/Mariner & Johnson/Evinrude 30-70HP (Replaces 46-77177A3) 175-350HP 17-30HP Inspect the old lube forProduct Details This Water Pump Impeller Kit is designed to restore cooling performance in a wide range of Mercury Mariner and Johnson Evinrude 3070HP 2 stroke outboard engines manufactured from the 1970s through the 1990s. It provides all necessary seals, gaskets, and the impeller to rebuild the water pump assembly, ensuring your engine maintains a safe operating temperature. The kit serves as a direct replacement for Mercury Mariner part number 46