19242-ZW1-003 Water Pump Gasket - Overview. The 19242-ZW1-003 Water Pump Gasket is a vital component in Honda marine engine systems. This gasket supports the water pump system by creating a watertight seal between the water pump housing and the engine block, preventing leaks and ensuring efficient cooling system operation. Designed with precision to fit seamlessly with existing parts, it guarantees optimal performance and durability for your outboard engine.. Key Features. OEM Genuine Honda water pump gasket designed specifically for Honda marine engines.. Ensures a watertight seal to prevent leaks in the cooling system.. Manufactured to match exact factory specifications, dimensions, and tolerances.. Seamlessly integrates with the water pump housing and engine block.. Maintains optimal water flow and cooling system reliability.. Designed for durability and long-lasting performance in marine environments.. Why Choose Genuine OEM. Using original Honda parts like the 19242-ZW1-003 Water