The Mercruiser 5.7 Seawater Pump is a marine-grade impeller pump designed for cooling engines in saltwater environments.

It efficiently circulates seawater to prevent overheating and ensure optimal engine performance.

Durable construction and corrosion-resistant materials make it ideal for marine applications.

The Mercruiser 5.7 Seawater Pump is a marine-grade impeller pump designed for cooling systems. Key specifications include:

Size: Typically 4.5 inches in diameter with a 1-inch shaft diameter.

Grade: Marine-grade, corrosion-resistant materials.

Viscosity: Compatible with seawater and standard marine coolants.

Buoyancy: Not applicable (non-floating component).

Material: Housing is usually made of cast aluminum or stainless steel; impeller is nitrile rubber or neoprene for durability.

Flow Rate: Approximately 30-35 gallons per minute (GPM) at standard RPM.

Pressure Rating: Operates at 10-15 PSI under normal conditions.

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

Seal Type: Mechanical seal or lip seal for watertight operation.

Mounting: Bolt-on design compatible with Mercruiser 5.7L engines.