Delphi MF0151 Mechanical Fuel Pump

Delphi MF0151 Mechanical Fuel Pump

The Delphi MF0151 is a standard replacement mechanical fuel pump for gasoline applications that require a 4 psi system pressure and an average flow rating of 38. Built with Delphi’s OE-focused engineering background, it is suited for restoring consistent fuel delivery on select Jeep CJ5 and Buick applications.

Key Features

• Mechanical fuel pump for gas engines
• 4 psi system pressure
• Average flow rating of 38
• Hose bead inlet with 0.375 in. outside diameter
• Threaded outlet with 1/2-20 UNF outlet fitting thread size
• Two outlet ports
• Gasket or seal included
• Package contents include the pump, gaskets, and instruction sheet
• Standard replacement grade

Detailed Description

Delphi MF0151 is built as a mechanical fuel pump replacement for gasoline-powered vehicles that use a threaded outlet design and hose bead inlet connection. The pump’s 4 psi system pressure and 38 average flow rating support steady fuel delivery for applications that match the original equipment layout. This part cross-references Airtex Fuel Pumps 40515 for the same application.

Compatible With 1967-1971 Jeep CJ5, vehicles with air conditioning and a 3 line pump. Compatible With 1967 Buick LeSabre, vehicles with air conditioning and a 3 line pump. Compatible With 1967 Buick Skylark, vehicles with air conditioning and a 3 line pump. Delphi MF0151 is a direct-fit style option for owners servicing these Jeep CJ5 and Buick applications where the original mechanical pump configuration is required.

What It Helps Address

• Hard starting caused by weak or inconsistent fuel delivery
• Fuel starvation under normal driving conditions
• Loss of fuel pressure in a mechanical pump system
• Replacement needs for worn or leaking original fuel pumps
• Service issues on vehicles with a 3 line pump setup and air conditioning

Installation Notes and Tips

Verify inlet and outlet orientation before installation. Confirm the vehicle uses a 3 line pump configuration with air conditioning and matches the listed threaded outlet and hose bead inlet specifications. Replace the gasket or seal during installation and follow the included instruction sheet for proper setup. Always confirm fuel system compatibility against the original pump before final assembly.

Quality Assurance

Delphi draws on OE heritage and decades of supplier experience with major automakers, and that engineering background is reflected in its aftermarket fuel system components. MF0151 is built as a standard replacement part for the listed applications.