The Mercruiser 8.1 Water Pump is a marine-grade pump designed for efficient coolant circulation in 8.1L engines. It ensures reliable cooling performance to prevent overheating in marine applications. The pump is built to withstand harsh saltwater and freshwater environments.

The Mercruiser 8.1 Water Pump is designed for marine applications with the following key specifications and technical properties:

Size: Typically fits Mercruiser 8.1L engines, dimensions vary by model (approx. 6-8 inches in diameter).

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

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

Buoyancy: Not applicable (non-buoyant, fixed installation).

Material: Housing: Cast aluminum or corrosion-resistant composite; Impeller: Neoprene or nitrile rubber.

Flow Rate: Approximately 50-70 GPM (varies by model).

Pressure Rating: 10-15 PSI (typical for marine cooling systems).

Mounting: Bolt-on design, compatible with Mercruiser 8.1L engine blocks.

Seals: Viton or silicone for durability in marine environments.

Weight: 3-5 lbs (varies by material and design).