Delphi MF0138 Mechanical Fuel Pump

Delphi MF0138 Mechanical Fuel Pump

The Delphi MF0138 is a standard replacement mechanical fuel pump for gasoline applications that require 6 psi system pressure and a 28 average flow rating. Built with Delphi’s OE heritage and aftermarket engineering experience, it is a direct service option for select Dodge D100, D150, D200, and D300 export applications.

Key Features

• Mechanical fuel pump for gas engines
• 6 psi system pressure
• 28 average flow rating
• Hose bead inlet with 0.313 in. outside diameter
• Threaded outlet with 1/8-27 NPT fitting thread size
• Gasket included for installation
• Standard replacement grade

Application Details

Compatible With 1976-1979 Dodge D100 export models, 1977-1979 Dodge D150 export models, 1976-1980 Dodge D300 export models, and 1978-1980 Dodge D200 export models. This Delphi MF0138 fuel pump is built for gasoline fuel delivery systems where a mechanical pump and threaded outlet connection are specified. This part cross-references Carter (e.g., M6486) for the same application.

Common Uses

• Restoring fuel delivery on a Dodge D100 export truck with a worn mechanical pump
• Replacing a weak pump on a Dodge D150 export application with low fuel pressure
• Addressing hard-start or fuel starvation concerns on a Dodge D200 export model
• Correcting inconsistent fuel supply on a Dodge D300 export truck

Installation Notes

Verify inlet hose size, outlet thread specification, and mounting location before installation. Use the included gasket during assembly and confirm fuel pressure after startup to ensure the system is operating at the specified 6 psi. Review the instruction sheet before service and inspect fuel lines for wear or contamination while the pump is removed.

Quality Assurance

Delphi draws on more than a century of OE experience and supplier knowledge used by major automakers, with aftermarket parts engineered from that background. The MF0138 is built as a standard replacement fuel pump for select export Dodge applications.