The Yamaha 5PA-12451-00-00 Water Pump Impeller is a direct OEM replacement designed to keep your outboard’s cooling system running efficiently, so you can focus on the water, not your engine temperature.

Why this impeller matters:

• Optimal Cooling – Ensures a steady flow of water through the engine to prevent overheating.
• Perfect OEM Fit – Direct Yamaha replacement, so there’s no guesswork or modification needed.
• Reliable Performance – Designed to handle varying water conditions without premature wear.
• Essential Maintenance – Regular replacement extends the life of your water pump and engine.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.