The 1997 Mercruiser 7.4 fuel pump is a marine-grade mechanical fuel pump designed for gasoline engines. Key specifications include:
Size: Typically measures approximately 4-5 inches in diameter and 3-4 inches in height, depending on the model.
Grade: Marine-specific, compliant with USCG and ABYC standards for safety and performance.
Viscosity: Compatible with gasoline fuels, including those with ethanol blends (up to E10).
Buoyancy: Not applicable (non-buoyant, as it is a mechanical component).
Material: Constructed with corrosion-resistant materials such as aluminum housing, stainless steel fittings, and nitrile or Viton seals for fuel resistance.
Pressure Rating: Typically operates at 4-7 psi, suitable for carbureted applications.
Flow Rate: Approximately 30-40 gallons per hour (GPH), depending on engine demand.
Mounting: Bolt-on design, compatible with Mercruiser 7.4L (454 CID) engines.
Weight: Roughly 1-2 pounds, depending on construction.
