Delphi MF0139 Mechanical Fuel Pump

Reliable Mechanical Fuel Pump for Gas Engines

The Delphi MF0139 mechanical fuel pump is designed to deliver consistent fuel flow for gas-powered vehicles. Engineered with precise inlet and outlet hose bead connections, this pump supports a system pressure of 4 psi, making it suitable for standard replacement needs in compatible automotive applications.

• Inlet and outlet outside diameter: 0.313 inches
• Fuel type: Gasoline
• Inlet and outlet connection type: Hose bead
• Average flow rating: 10 gallons per hour
• System pressure: 4 psi
• Standard replacement grade
• Includes mechanical fuel pump and instruction sheet

Product Details and Specifications

The Delphi MF0139 mechanical fuel pump features hose bead inlet and outlet fittings with an outside diameter of 0.313 inches, ensuring secure fuel line connections. Designed for gasoline fuel systems, it provides an average flow rating of 10 gallons per hour at a system pressure of 4 psi. This standard replacement pump is engineered to maintain consistent fuel delivery for smooth engine operation. The package includes the mechanical fuel pump and an instruction sheet to assist with installation.

Applications and Common Issues Addressed

• Replacement for worn or failing mechanical fuel pumps in gas engines
• Resolves fuel delivery interruptions causing engine stalling or hesitation
• Addresses low fuel pressure issues affecting engine performance
• Suitable for restoring proper fuel flow in older vehicles with mechanical fuel systems
• Helps eliminate fuel leaks due to damaged or degraded pump components

Installation Notes and Tips

Ensure fuel lines match the 0.313-inch hose bead inlet and outlet diameters for proper fitment. Verify system pressure requirements align with the 4 psi rating of this pump. Follow the included instruction sheet carefully to avoid fuel leaks and ensure secure mounting. It is recommended to inspect related fuel system components during installation for optimal performance.

Quality Assurance and Warranty

Delphi mechanical fuel pumps are manufactured to meet industry standards for durability and performance. The MF0139 is a standard replacement part designed to provide reliable operation in compatible gas engine applications. Please refer to Delphi's official warranty policy for specific coverage details.