The 1992 Mercruiser 4.3 fuel pump is a marine-specific mechanical pump designed for V6 engines.

It delivers fuel from the tank to the carburetor, ensuring proper engine performance in marine conditions.

Built to resist corrosion, it meets marine safety standards for durability and reliability.

The 1992 Mercruiser 4.3 fuel pump is a mechanical diaphragm-type pump with the following specifications:

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

Grade: Designed for marine use, compatible with gasoline (87-93 octane).

Viscosity: Works with fuels of varying viscosities, typically 0.6-0.8 cSt at operating temperatures.

Buoyancy: Not applicable (non-submersible design).

Material: Housing made of corrosion-resistant aluminum or zinc alloy; diaphragm from nitrile rubber or similar fuel-resistant elastomer.

Pressure Rating: Typically 4-7 psi output.

Flow Rate: Approximately 30-35 gallons per hour.

Mounting: Bolt-on, engine-mounted configuration.

Compatibility: Fits Mercruiser 4.3L V6 engines (1992 model year).