Delphi MF0109 Mechanical Fuel Pump

Delphi MF0109 Mechanical Fuel Pump

The Delphi MF0109 is a standard replacement mechanical fuel pump for gasoline applications, built with OE heritage and application knowledge from a supplier with long-standing experience serving major automakers. It is engineered for direct replacement use on select 1969 Chrysler 300 and 1969 Dodge Charger models.

Key Features

• Mechanical fuel pump for gas engines
• Standard replacement grade for service repairs
• Average flow rating of 33
• System pressure rated at 6 psi
• Hose bead inlet with 0.313 in. inlet outside diameter
• Threaded outlet with 1/8-27 NPSF outlet fitting thread size
• Gasket or seal included
• Package contents include the mechanical fuel pump, gasket, and instruction sheet

Application Details

Compatible with 1969 Chrysler 300 and 1969 Dodge Charger, this Delphi MF0109 fuel pump supports original-style fuel delivery for classic Mopar applications. It cross-references Airtex Fuel Pumps 901 for the same application. The MF0109 part number is also referenced as AMF0109 and M4434.

What This Fuel Pump Helps Address

• Hard starting caused by weak fuel delivery
• Fuel starvation under normal driving conditions
• Low fuel pressure at the carburetor
• Intermittent stalling related to mechanical pump wear
• Fuel system service on original-equipment-style gasoline setups

Installation Notes and Tips

Verify inlet and outlet connection styles before installation: this pump uses a hose bead inlet and a threaded outlet. Confirm the 6 psi system pressure requirement and match the pump to the vehicle’s fuel system layout. Use the included gasket during installation and follow the instruction sheet for proper setup on 1969 Chrysler 300 and 1969 Dodge Charger applications.

Quality Assurance

Delphi builds aftermarket parts using OE experience and engineering knowledge developed through decades of supplying major automakers. That OE background supports consistent fit and function for service replacement use.