HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsDelphi MF0040 Mechanical Fuel Pump
Part #: MF0040

Delphi MF0040 Mechanical Fuel Pump

⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, Sentra, Pulsar NX, and Pulsar
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Reliable Mechanical Fuel Pump for Nissan Pulsar and Sentra

The Delphi MF0040 mechanical fuel pump is designed specifically for Nissan Pulsar, Pulsar NX, and Sentra models. Engineered to deliver consistent fuel flow and maintain system pressure, this pump supports optimal engine performance for gas-powered vehicles.

  • Inlet and outlet outside diameter: 0.250 inches
  • Fuel type compatibility: Gasoline
  • Includes gasket and instruction sheet for installation
  • Hose bead inlet and outlet types with two outlet ports
  • Average flow rating of 25 gallons per hour
  • System pressure rating of 4 psi
  • Standard replacement grade for reliable performance

Product Details and Specifications

The Delphi MF0040 mechanical fuel pump features a hose bead inlet and outlet design, each with an outside diameter of 0.250 inches, ensuring secure hose connections. It is built to handle gasoline fuel systems with a system pressure of 4 psi, suitable for the fuel delivery requirements of Nissan Pulsar, Pulsar NX, and Sentra vehicles. The pump includes two outlet ports, allowing for efficient fuel distribution. This standard replacement grade pump comes with a gasket and an instruction sheet to facilitate proper installation and sealing.

Compatible Nissan Models and Applications

This mechanical fuel pump is compatible with the following Nissan models:

  • Nissan Pulsar
  • Nissan Pulsar NX
  • Nissan Sentra

It is designed to replace original equipment mechanical fuel pumps in these vehicles, ensuring proper fuel flow and pressure for gasoline engines.

Common Issues Addressed by the Delphi MF0040

  • Fuel delivery interruptions causing engine stalling or hesitation
  • Low fuel pressure affecting engine performance
  • Leaks due to worn or damaged fuel pump seals
  • Inconsistent fuel flow leading to poor acceleration
  • Replacement of failing or noisy mechanical fuel pumps

Installation Notes and Tips

When installing the Delphi MF0040 mechanical fuel pump, ensure the gasket is properly seated to prevent fuel leaks. Verify that the hose bead inlet and outlet connections are secure and free of cracks or damage. Follow the included instruction sheet carefully to maintain correct system pressure and flow. It is recommended to inspect fuel lines and replace any worn hoses during installation to ensure optimal performance.

Quality Assurance and Warranty Information

Delphi mechanical fuel pumps are manufactured to meet or exceed OEM specifications for fit, form, and function. The MF0040 part number is a standard replacement grade component designed for durability and consistent operation. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.

BrandDelphi
Part NumberMF0040
Average Flow Rating25
Fuel TypeGas
Gasket Or Seal IncludedYes
Inlet Outside Diameter0.250
Inlet TypeHose Bead
Item GradeStandard Replacement
Outlet Outside Diameter0.250
Outlet Quantity2
Outlet TypeHose Bead
Package ContentsMechanical Fuel Pump, Gasket, Instruction Sheet
System Pressure4 psi

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
1987NissanSentraN/A
1986NissanPulsar NXN/A
1986NissanSentraN/A
1985NissanPulsar NXN/A
1985NissanSentraN/A
1984NissanPulsar NXN/ALocated at Engine
1984NissanSentraN/A
1983NissanPulsarN/ALocated at Engine
1983NissanPulsar NXN/A
1983NissanSentraN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1368151-680517010-34A2517010-36A2568914AMF0040M16152M70041SP1098MP

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.