The Mercruiser Impeller Pump is a critical marine water pump designed for engine cooling systems. It features a durable rubber impeller that ensures efficient water circulation. This pump is essential for preventing overheating in marine engines.

The Mercruiser Impeller Pump is typically designed for marine applications with the following key specifications:

Size: Commonly available in 1-1/4", 1-1/2", or 2" inlet/outlet diameters.

Grade: Marine-grade construction for saltwater and freshwater use.

Viscosity: Compatible with low to medium viscosity fluids (e.g., water, light oils).

Buoyancy: Not applicable (non-buoyant component).

Material: Housing: corrosion-resistant aluminum or stainless steel; Impeller: nitrile rubber (NBR) or neoprene for durability.

Flow Rate: Typically 20-60 GPM (varies by model).

Pressure Rating: Up to 50 PSI (depending on configuration).

Temperature Range: -20°F to 180°F (-29°C to 82°C).

Drive Type: Belt-driven or direct engine-driven.