Disconnect the fuel lines and electrical connections from the old fuel pump.

Remove the mounting bolts and carefully take out the old pump from the engine.

Install the new fuel pump, secure it with bolts, and reconnect the fuel lines and electrical connections.

The key specifications and technical properties of the Replacing Fuel Pump On Mercruiser 3.0, Marine Pumps are as follows:

Size: Typically 3-4 inches in length, 2-3 inches in width, and 2-3 inches in height.

Grade: Marine-grade fuel pump designed for gasoline engines.

Viscosity: Compatible with fuels having viscosities ranging from 0.5 to 6 cSt.

Buoyancy: Not applicable (non-buoyant component).

Material: Constructed from corrosion-resistant materials such as aluminum, stainless steel, or reinforced plastics.

Pressure Rating: Typically operates at 4-7 psi.

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

Compatibility: Designed for Mercruiser 3.0L engines and similar marine applications.

Mounting: Bolt-on or clamp-on design with standard marine fittings.

Electrical Requirements: 12V DC operation.

Temperature Range: -40°F to 200°F (-40°C to 93°C).

Seals: Viton or nitrile rubber for fuel resistance.