Circulation Water Pump for OMC 2.5 3.0 4.0 L 984360 family-yamaha-40msht check the "Compatible Engine Models"

check the "Compatible Engine Models" tables on this page

Water Pump Impeller Kit – Fits Yamaha F225

or missing blades

Install the new gasket/seal

It directly replaces Sierra part numbers 18-7905

Circulation Water Pump for OMC 2.5 3.0 4.0 L 984360 family-yamaha-40msht check the "Compatible Engine Models"Circulation Water Pump Fits OMC 2. 5L, 3. 0L, 4. 0L Marine Engines This is an aftermarket circulation water pump for OMC and Volvo Penta stern drive marine engines. It is designed to fit 2. 5L, 3. 0L, and 4. 0L GM based marine engines from 19821993. This component directly replaces OMC part numbers 984360, 986779, 3854017, 3858340, 509356 and Volvo Penta part numbers 3854017, 3858340. Engine block mounted circulation pump for raw water cooling