Water Pump Impeller Kit – Fits Yamaha 40-60HP (Replaces 63D-W0078-01, 18-3415) Miller or heavily scored on the

or heavily scored on the inside surfaces

It is specifically designed for Yamaha 40HP (1984–1994)

It ensures reliable filtration and performance

Wash your hands before handling the decals to prevent contaminating the adhesive

to prevent catastrophic failure

Water Pump Impeller Kit – Fits Yamaha 40-60HP (Replaces 63D-W0078-01, 18-3415) Miller or heavily scored on theProduct Details This complete Water Pump Impeller Kit provides everything needed for routine lower unit maintenance on a wide range of Yamaha 40, 50, and 60 HP outboard engines. It fits select 2 stroke models (19942005) and 4 stroke models including the F40, F50, and F60 series (1997+). It serves as a direct aftermarket replacement for multiple Yamaha and Sierra part numbers, including the primary OEM reference 63D W0078 01. Installs in the lower unit