Sierra 18-3246 Marine Water Pump Impeller for Honda Outboard Motors

The Sierra 18-3246 is a premium replacement water pump impeller designed specifically for Honda outboard motors. This essential cooling system component ensures reliable water flow through your engine's cooling system, preventing overheating and maintaining optimal operating temperatures.

Key Features:

• High-quality neoprene construction for durability and chemical resistance
• 6-fin design for efficient water pumping performance
• Precision-molded to OEM specifications for proper fit and function
• Direct replacement for Honda OEM part number 19210-ZV4-013
• Corrosion-resistant materials for extended service life in marine environments

Sierra International is a trusted name in marine aftermarket parts, offering reliable alternatives to OEM components. Regular impeller replacement is critical preventive maintenance for outboard motors—inspect your impeller annually and replace every 2-3 years or sooner if worn, cracked, or damaged. A failed impeller can lead to catastrophic engine damage from overheating.