46 77177A3 18 3324 Water Pump Impeller Kit Base Exhaust Tubes for Mercury

Product Overview

This water pump impeller kit provides all necessary components to replace the cooling system impeller on Mercury outboard motors. It includes the impeller, base, and exhaust tubes for a comprehensive repair. Perfect for boat owners and marine mechanics performing routine water pump maintenance.

Key Features & Performance

• Includes impeller, base, and exhaust tubes for a complete overhaul
• Matches OEM part numbers 46-77177A3 and 18-3324
• Ensures proper cooling water flow to prevent engine overheating
• High-quality rubber impeller for long-lasting performance
• Easy to install with standard tools

Fitment & Compatibility

• Compatible with Mercury outboard engines that use OEM part numbers 46-77177A3 and 18-3324

Common Uses

• Replacing worn water pump impeller during annual maintenance
• Overheating repair on Mercury outboard motors
• Cooling system restoration after impeller failure
• Preventive maintenance before boating season

Technical Specifications

• Part Number(s): 46-77177A3, 18-3324

Frequently Asked Questions

Q: Does this kit include a gasket or seal? A: This kit includes the impeller, base, and exhaust tubes only. Gaskets and seals are sold separately.

Q: How often should I replace the water pump impeller? A: It is recommended to replace the impeller annually or every 100 hours of operation, whichever comes first.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.