The 5.7 Alpha One Mercruiser marine pumps are essential for engine cooling and water circulation. These pumps ensure efficient operation by maintaining proper coolant flow and preventing overheating. They are designed for durability and reliability in marine environments.

The 5.7 Alpha One Mercruiser is a marine engine with the following specifications:

Engine Type: V8

Displacement: 5.7L (350 cubic inches)

Horsepower: 260-300 HP (varies by model)

Fuel Type: Gasoline

Cooling System: Raw water or closed cooling

Oil Grade: SAE 25W-40 (marine-specific)

Oil Viscosity: 25W-40 (recommended for most conditions)

Marine Pump Type: Raw water pump (impeller-driven)

Pump Material: Neoprene impeller, stainless steel housing

Pump Size: Typically 1-1/4" to 1-1/2" inlet/outlet

Buoyancy: N/A (engine is not buoyant)

Material: Cast iron block, aluminum heads (varies by model)

Gear Ratio (Alpha One drive): 1.47:1 or 1.62:1 (depending on application)

Weight: Approximately 450-500 lbs (dry, without accessories)