Water Pump Impeller Repair Kit – Fits Mercury/Mariner 30-70 HP (Replaces 46-77177A3, 77177A3) family-yamaha-40tlrv ensuring the water tube seats

ensuring the water tube seats properly into the lower unit inlet

Q: Do I need to apply sealant to these gaskets during installation

or a high-temperature alarm from your engine's monitoring system

such as during top-end rebuilds

this fuel pump is designed as a direct bolt-on replacement for the OEM parts specified

Water Pump Impeller Repair Kit – Fits Mercury/Mariner 30-70 HP (Replaces 46-77177A3, 77177A3) family-yamaha-40tlrv ensuring the water tube seatsWater Pump Impeller Repair Kit Fits Mercury Mariner 30 70 HP This water pump impeller repair kit is designed for Mercury Mariner 2 Stroke outboard engines from 30 to 70 HP, model years 19761997. It provides a comprehensive solution for restoring your engine's cooling system performance. This kit serves as a direct replacement for Mercury OEM part numbers 46 77177A3 and 77177A3, as well as aftermarket parts from Sierra, GLM, Mallory, EMP, and Recmar.