For Yamaha Outboard Water Pump Impeller 6F5-44352-00 Sierra 18-3088 40HP 2Stroke

Water Pump Impeller for Yamaha

This water pump impeller is a direct replacement for Yamaha outboard motors, built to keep the cooling system flowing and prevent overheating. It matches OEM part number 6F5-44352-00 and crosses to Sierra 18-3088, designed for 40HP 2-stroke engines.

Overview

The water pump impeller is a critical component in the Yamaha outboard cooling system, moving water through the engine to keep it at safe operating temperatures. This replacement water pump impeller is designed for 40HP 2-stroke Yamaha outboards, offering a precise fit and reliable performance. Whether replacing a worn impeller during regular maintenance or after an overheating event, this water pump impeller ensures your outboard runs cool.

Built For Performance

• Reinforced rubber blades for durable, long-lasting operation
• Precision-molded hub ensures secure fit on the driveshaft
• Corrosion-resistant materials resist saltwater and freshwater damage
• Meets OEM specifications for 40HP 2-stroke Yamaha engines
• Includes the impeller only, straightforward replacement part

On-The-Job Use

• For routine maintenance on Yamaha 40HP 2-stroke outboard motors
• Used in both freshwater and saltwater boating environments
• Prevents overheating during prolonged high RPM operation
• Replaces worn impellers that cause reduced water flow
• Essential for keeping your outboard running reliably on the water

Specs At A Glance

Good To Know

Q: How often should I replace the water pump impeller? A: It is generally recommended to replace it every 100 hours of operation or once a year, whichever comes first. Check your owner's manual for specific intervals.

Q: Can this impeller be used in saltwater? A: Yes, the materials used are corrosion-resistant and designed to handle both freshwater and saltwater conditions without premature wear.

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