Sierra 18-8900 Marine Water Pump Impeller for Mercury and Force Outboards

The Sierra 18-8900 is a high-quality replacement water pump impeller designed for Mercury and Force outboard engines. This 6-blade key drive impeller is engineered to meet OEM specifications and provides reliable cooling system performance for your marine engine.

Key Features:

• 6-blade key drive design for efficient water flow
• Manufactured to meet or exceed OEM specifications
• Compatible with Mercury 40-60 HP 4-stroke engines and 1996-1998 Force 75 HP outboards
• Direct replacement for Mercury 47-19453 and 47-19453T
• Also replaces Mallory 9-45301 and CEF 500378
• Constructed from durable materials designed for harsh marine environments

Sierra impellers are produced in ISO9001-certified facilities with rubber compounds specifically formulated for superior performance and longevity. Regular impeller replacement is essential for maintaining proper engine cooling and preventing overheating damage. This impeller provides a cost-effective OEM-quality replacement to keep your outboard running reliably.