Sierra 18-3051 Water Pump Impeller for Johnson/Evinrude Outboards

The Sierra 18-3051 is a premium aftermarket water pump impeller designed as a direct replacement for Johnson/Evinrude outboard engines. This neoprene impeller is engineered to meet or exceed OEM specifications, ensuring reliable cooling system performance for your marine engine.

Key Specifications:

• 6-blade neoprene construction for durability and efficient water flow
• Outer diameter: 2.0 inches (1-1/2 inch functional diameter)
• Bore diameter: 0.627 inches with round key drive
• Thickness/Depth: 3/4 inch (0.750 inches)
• Drive type: 1/2 inch round key

OEM Cross References:

• Johnson/Evinrude: 395289, 432941, 437059
• GLM: 89750
• Mallory: 9-45200, 9-45200-10

This impeller is compatible with various water pump kits including Sierra 18-3491, 18-3401, 18-3383, 18-3382, 18-3381, and 18-3238. Regular impeller replacement is essential for maintaining proper engine cooling and preventing costly overheating damage. Sierra Marine has been a trusted leader in aftermarket marine parts for nearly 60 years, delivering quality replacement components backed by comprehensive customer support.