Water Pump Impeller – Fits Mercury Marine 40-60hp Outboards (Replaces 47-19453T) family-yamaha-40elf the engine running too cool

the engine running too cool and never reaching its proper operating temperature

run the engine in a test tank or on-water

for all other listed models

1 x O-Ring (18-7137)

Secure the hose with the new clamp provided

Water Pump Impeller – Fits Mercury Marine 40-60hp Outboards (Replaces 47-19453T) family-yamaha-40elf the engine running too coolWater Pump Impeller Fits Mercury Marine 40 60hp Outboards (Replaces 47 19453T) This Sierra 18 8900 water pump impeller is designed for a precise fit on select Mercury, Mariner, and Force outboard engines. It is compatible with most Mercury Mariner 40 60hp 3 cylinder outboards manufactured from 1991 and later, including both standard and Big Foot models. This component serves as a direct replacement for several OEM and aftermarket parts, ensuring