The Mercruiser 120 Water Pump is a marine pump designed for efficient cooling in Mercruiser 120 engines. It ensures proper water circulation to prevent overheating during operation. This durable pump is essential for maintaining optimal engine performance in marine environments.

The Mercruiser 120 Water Pump is designed for marine applications with the following key specifications:

Size: Typically 4-5 inches in diameter, depending on the specific model.

Grade: Marine-grade construction for corrosion resistance.

Viscosity: Compatible with standard marine engine coolant (typically ethylene or propylene glycol-based).

Buoyancy: Not applicable (non-buoyant component).

Material: Housing made of cast aluminum or stainless steel; impeller often composed of neoprene or composite materials.

Flow Rate: Approximately 20-30 gallons per minute (GPM) at operating RPM.

Pressure Rating: Typically 10-15 PSI under normal operating conditions.

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

Mounting: Bolt-on design compatible with Mercruiser 120 engines.

Temperature Range: -40°F to 250°F (-40°C to 121°C).