Sierra 118-4539 Water Pump Impeller for Johnson Evinrude Outboard

The Sierra 118-4539 Water Pump Impeller is a high-quality replacement component designed for Johnson and Evinrude outboard motors. This impeller fits 15HP (AA-AF), 25HP (AA-AF), and 30HP (AA-AF) models, providing reliable cooling system performance for your marine engine.

Key Features:

• Manufactured from high-quality rubber compounds engineered to withstand harsh marine environments
• Features flexible vanes attached to a central hub for optimal water circulation
• Meets or exceeds original equipment specifications
• Built with marine-grade materials for reliability
• Designed for optimum temperature regulation and overheat prevention

Replaces OEM Part Numbers:

• Johnson/Evinrude: 5008185, 5008968
• Also listed as 5008967 in some applications

This impeller is a critical component of your outboard's water pump system, circulating cooling water through the engine to prevent overheating. Regular impeller replacement is essential preventive maintenance that helps avoid costly engine damage and extends the life of your outboard motor. Sierra's industry-leading warranty backs this quality aftermarket replacement part.