The Sterndrive Impeller is a crucial component in marine pumps, ensuring efficient water circulation for cooling systems. Made of durable rubber, it withstands harsh marine conditions and continuous operation. Regular inspection and replacement are essential to maintain optimal engine performance and prevent overheating.

Size: Typically ranges from 2.5 to 6 inches in diameter.

Grade: Standard or high-performance variants for marine applications.

Viscosity: Compatible with fluids ranging from 10W-30 to 20W-50 marine engine oils.

Buoyancy: Neutral buoyancy in water, designed to minimize drag.

Material: Nitrile rubber (NBR), neoprene, or polyurethane for durability and corrosion resistance.

Operating Temperature: -20°F to 250°F (-29°C to 121°C).

Pressure Rating: Up to 50 PSI for standard marine pump applications.

Rotation: Clockwise or counterclockwise, depending on pump design.

Hub Type: Keyed or splined for secure attachment to the drive shaft.

Chemical Resistance: Resistant to saltwater, oils, and mild chemicals.