The Mercruiser 7.4 MPI water pump is a marine-grade pump designed for efficient coolant circulation in the engine. It ensures optimal cooling performance to prevent overheating in marine environments. This durable pump is specifically engineered for reliability and longevity in boating applications.

The Mercruiser 7.4 MPI Water Pump is designed for marine applications. Key specifications include:

Size: Typically fits 7.4L MPI engines, dimensions vary by model (approx. 6-8 inches in diameter).

Grade: Marine-grade components for corrosion resistance.

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

Buoyancy: Not applicable (non-buoyant component).

Material: Housing is typically cast aluminum or stainless steel; impeller is neoprene or rubber.

Flow Rate: Varies by model (approx. 30-50 GPM at operating RPM).

Pressure Rating: Typically 10-15 PSI.

Mounting: Bolt-on design for engine compatibility.

Seals: Viton or silicone for durability in saltwater/freshwater.

Impeller Type: 6-12 vanes, replaceable design.