The Impeller For Mercury 9.9 is a critical component in marine pumps, designed to ensure efficient water circulation for cooling the engine. It is made of durable rubber or composite materials to withstand harsh marine conditions. This impeller fits specifically Mercury 9.9 outboard motors, providing reliable performance.

Size: 3.5 inches (diameter)

Grade: Marine-grade

Viscosity: Compatible with 10W-30 or 25W-40 marine engine oil

Buoyancy: Non-buoyant (designed for submerged operation)

Material: Nitrile rubber (NBR) or neoprene (depending on model)

Rotation: Clockwise (standard for Mercury 9.9 models)

Blade Count: 6-8 blades (varies by specific model)

Operating Temperature: -20°F to 200°F (-29°C to 93°C)

Chemical Resistance: Resistant to saltwater, gasoline, and oil

Mounting Type: Press-fit or keyed shaft (model-dependent)

Compatibility: Mercury 9.9 HP outboard marine pumps