The 1986 Mercruiser 3.0 Fuel Pump is a mechanical marine pump designed for reliable fuel delivery in marine engines.

It operates under low pressure to supply fuel from the tank to the carburetor, ensuring consistent engine performance.

Built for durability, it withstands harsh marine conditions and is compatible with Mercruiser 3.0L engines.

The 1986 Mercruiser 3.0 Fuel Pump is a mechanical diaphragm-type pump designed for marine applications. Key specifications include:

Size: Approximately 4.5 inches in diameter and 3 inches in height.

Grade: Meets OEM marine standards for durability and corrosion resistance.

Viscosity: Compatible with gasoline fuels, including 10W-30 or 20W-50 marine engine oils.

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

Material: Housing typically made of cast aluminum or steel with a nitrile rubber diaphragm.

Pressure Rating: Delivers 4-6 psi fuel pressure.

Flow Rate: Approximately 30-35 gallons per hour (GPH).

Mounting: Bolt-on installation to the engine block.

Compatibility: Designed for use with Mercruiser 3.0L 181 CID engines.