Delphi MF0157 Mechanical Fuel Pump

Reliable Mechanical Fuel Pump for Oldsmobile Vehicles

The Delphi MF0157 mechanical fuel pump is designed specifically for select Oldsmobile models, including the 98, Cutlass, Cutlass Supreme, Delta 88, and Toronado. Engineered to deliver consistent fuel flow and maintain system pressure, this pump supports gasoline fuel systems with precision and durability.

• Compatible with Oldsmobile 98, Cutlass, Cutlass Supreme, Delta 88, and Toronado models
• Standard replacement mechanical fuel pump with part number MF0157
• Inlet outside diameter of 0.375 inches with hose bead inlet type
• Single threaded outlet with 1/4-18 NPSF fitting
• Average flow rating of 38 gallons per hour at 6 psi system pressure
• Includes gasket and seal for proper installation
• Package contains mechanical fuel pump, gaskets, and instruction sheet

Technical Details and Specifications

The Delphi MF0157 mechanical fuel pump is designed for gasoline fuel systems requiring a steady flow rate and reliable pressure. The inlet features a 0.375-inch outside diameter hose bead connection, ensuring a secure fit with compatible fuel lines. The outlet is threaded with a 1/4-18 NPSF fitting, providing a single outlet for fuel delivery. This pump maintains an average flow rating of 38 gallons per hour and operates at a system pressure of 6 psi, suitable for standard fuel delivery requirements in classic Oldsmobile vehicles.

Applications and Common Issues Addressed

• Replacement for worn or leaking mechanical fuel pumps in Oldsmobile 98, Cutlass, Cutlass Supreme, Delta 88, and Toronado
• Resolves fuel delivery inconsistencies causing engine hesitation or stalling
• Addresses low fuel pressure issues affecting engine performance
• Prevents fuel leaks by including necessary gaskets and seals
• Restores proper fuel flow rate to support engine efficiency

Installation Notes and Tips

Installation of the Delphi MF0157 mechanical fuel pump requires basic mechanical skills and tools. Ensure the fuel system is depressurized before removal of the old pump. Use the included gasket and seal to prevent leaks and ensure a tight fit. Verify that the inlet and outlet connections match the vehicle’s fuel lines and fittings. Follow the instruction sheet carefully to maintain proper torque specifications and alignment. After installation, check for leaks and confirm fuel pressure meets the 6 psi system requirement.

Quality Assurance and Warranty Information

Delphi mechanical fuel pumps are manufactured to meet OEM standards for fit, form, and function. The MF0157 part number undergoes rigorous quality control to ensure reliable operation in compatible Oldsmobile models. This product includes a gasket and seal to support proper installation and leak prevention. Warranty coverage details should be confirmed with the point of purchase or Delphi directly, as coverage may vary.