Sierra 18-3083 Water Pump Impeller for Johnson/Evinrude Outboards

The Sierra 18-3083 is a high-quality replacement water pump impeller designed specifically for Johnson and Evinrude outboard engines. This critical cooling system component ensures proper water circulation through your engine to prevent overheating and maintain optimal operating temperatures.

Key Features:

• Precision-engineered impeller for reliable water flow and engine cooling
• Designed for use with Sierra water pump kits 18-3325 and 18-3376
• Manufactured to OEM specifications for proper fit and performance
• Durable construction to withstand marine environment conditions
• Direct replacement for worn or damaged original impellers

Regular impeller replacement is essential preventive maintenance for outboard engines. Marine experts recommend inspecting and replacing impellers annually or every 200-300 hours of operation to ensure reliable cooling system performance and prevent costly engine damage from overheating.