Water Pump Gasket Suzuki 17472-93J00

Function and Technical Context

The water pump gasket acts as a sealing element between the pump cover or body and the engine block, preventing coolant from escaping to the exterior or to adjacent circuits. It operates within the seawater cooling system, where the pump delivers the necessary flow rate to maintain the propulsion unit's operating temperature within safe limits. In Suzuki outboard engines of the medium and high-power DF range, this component withstands continuous pressure cycles and significant thermal variations, making its integrity determinant for the cooling circuit's effectiveness. If the gasket loses its sealing capacity, coolant leaks occur that compromise pump performance and can lead to engine overheating, with the consequent risk of serious damage to cylinder head, pistons and seals.

When to Replace This Part?

The most common symptoms of water pump gasket deterioration are the presence of moisture or corrosion traces around the pump housing, loss of water discharge flow from the cooling pilot and high temperature alarms on the control panel. It is recommended to replace this gasket preventatively whenever work is performed on the water pump, especially during the annual seasonal maintenance or when replacing the impeller. Changing the gasket together with the impeller and other wear elements of the pump at each scheduled service is standard practice among marine mechanics to prevent unexpected breakdowns away from port.

Compatible Johnson/Evinrude Engines

Equivalent Manufacturer References