EXCHANGER-HEAT (863903A01) – Mercury

MerCruiser Seawater Pump Assembly ensures reliable cooling by circulating seawater through the engine, preventing overheating and extending engine life in marine conditions.

Ensure proper seawater pump performance with a durable Cover Assembly—essential for cooling efficiency and protecting your marine engine from overheating.

Heavy-duty impeller kit for MerCruiser Bravo & inboards. Includes gaskets & seals. Reliable cooling performance with OEM quality. Part #47-8M0137219.