The Mercruiser 4.3 Alpha One Fuel Pump is a marine-grade mechanical pump designed for reliable fuel delivery. It ensures consistent fuel pressure to the engine for optimal performance in marine environments. Compatible with Mercruiser 4.3L engines paired with Alpha One outdrives.

The Mercruiser 4.3 Alpha One fuel pump is designed for marine applications with the following key specifications:

Size: Typically compact, dimensions vary by model (approx. 4-6 inches in length).

Grade: Meets marine-grade standards for corrosion resistance and durability.

Viscosity: Compatible with gasoline (ethanol blends up to E10) and marine-specific fuels.

Buoyancy: Not applicable (non-buoyant, mounted internally).

Material: Housing: corrosion-resistant aluminum or stainless steel; internal components: rubber, plastic, or metal alloys.

Pressure Rating: Typically 4-7 psi (varies by specific model).

Flow Rate: Approximately 30-40 gallons per hour (GPH).

Compatibility: Designed for Mercruiser 4.3L V6 engines with Alpha One sterndrives.

Mounting: Bolt-on or bracket-mounted, depending on configuration.

Electrical: 12V DC operation, with marine-grade wiring and connectors.