The Yanmar 2GM20 Raw Water Pump is a marine pump designed for cooling diesel engines by circulating seawater.

It features a durable impeller and housing to handle saltwater conditions efficiently.

This pump is essential for maintaining optimal engine temperature and preventing overheating in marine applications.

The Yanmar 2GM20 Raw Water Pump is a marine-grade pump designed for engine cooling. Key specifications include:

- Size: Compact, typically 6-8 inches in length

- Grade: Marine-grade construction for saltwater resistance

- Viscosity: Suitable for low-viscosity fluids like seawater or freshwater

- Buoyancy: Not applicable (non-floating component)

- Material: Cast iron or corrosion-resistant aluminum housing, nitrile rubber impeller

- Flow Rate: Approximately 4-6 gallons per minute (GPM)

- Pressure Rating: Low-pressure operation (typically under 15 PSI)

- Shaft Material: Stainless steel for durability

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

- Mounting: Direct bolt-on to Yanmar 2GM20 engines

- Impeller Type: Flexible rubber vanes for self-priming capability

- Operating Temperature: -10°C to 80°C (14°F to 176°F)