NEW Water Pump IMPELLER 15HP 20HP Mercury Mariner F15 F20 4 Stroke Outboard

Water Pump Impeller for Mercury Mariner

This water pump impeller is designed for Mercury Mariner 15HP and 20HP 4-stroke outboard models F15 and F20.

Overview

The water pump impeller is a critical component of the outboard cooling system, drawing water through the pump to keep the engine from overheating. It is a direct replacement for Mercury Mariner F15 and F20 models, ensuring a precise fit and reliable water flow. This impeller is built to withstand marine conditions and provide long service life.

Built For Performance

• Precision-molded rubber impeller for efficient water pumping
• Corrosion-resistant materials for saltwater use
• Exact fit for Mercury Mariner F15 and F20 4-stroke engines
• Ensures consistent cooling to prevent overheating
• Easy to install with standard tools

Fits These Machines

• for Mercury Mariner F15
• for Mercury Mariner F20

On-The-Job Use

• Replacing a worn water pump impeller during routine maintenance
• Preventing engine overheating in freshwater and saltwater
• Restoring proper cooling flow after impeller failure
• Used by marine mechanics and DIY boat owners

Specs At A Glance

Good To Know

Q: How often should I replace the water pump impeller? A: Impellers should typically be replaced every 2-3 years or after 100 hours of use, depending on operating conditions. This replacement ensures your Mercury Mariner outboard stays cool.

Q: Can I install this impeller myself? A: Yes, with basic mechanical skills and a service manual, you can replace the impeller. Always inspect the water pump housing for wear during installation.

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