Water Pump Impeller for Mercury Mariner 2 HP Outboards 47-80395M Sierra 18-3072

Water Pump Impeller for Mercury Mariner

This water pump impeller replaces OEM 47-80395M and Sierra 18-3072 for Mercury Mariner 2 HP outboards, pumping coolant to prevent overheating.

Overview

This water pump impeller is a direct replacement for Mercury Mariner 2 HP outboards, ensuring reliable coolant flow. The impeller fits the water pump housing and maintains proper engine temperature during operation. It is designed for Mercury Mariner outboards that use the 47-80395M or Sierra 18-3072 reference.

Built For Performance

• Precision-molded rubber blades for consistent water flow
• Corrosion-resistant materials for marine environments
• Meets or exceeds OEM specifications for durability
• Direct fit for Mercury Mariner 2 HP outboards
• Includes necessary components for a quick replacement

Fits These Machines

• for Mercury Mariner 2 HP outboards

On-The-Job Use

• Circulates cooling water through the engine block
• Prevents overheating during extended trolling
• Maintains optimal operating temperature in saltwater or freshwater

Specs At A Glance

Good To Know

Q: How often should I replace the impeller? A: Replace it every 100 hours or annually, whichever comes first, to avoid overheating damage.

Q: Does this impeller require any special tools? A: No, standard hand tools are sufficient for replacing the impeller in the water pump housing.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.