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Delphi MF0003 Mechanical Fuel Pump
Overview of Delphi Mechanical Fuel Pump MF0003
The Delphi Mechanical Fuel Pump MF0003 is designed for reliable fuel delivery in select Toyota vehicles. Engineered to meet standard replacement specifications, this pump supports consistent fuel flow and system pressure for optimal engine performance.
- Compatible with Toyota 4Runner, Celica, Corona, and Pickup models
- Standard replacement mechanical fuel pump with part number MF0003
- Inlet and outlet outside diameter of 0.250 inches with hose bead connections
- Supports gasoline fuel type with a system pressure of 4 psi
- Includes gasket and instruction sheet for installation
- Average flow rating of 20 gallons per hour
- Two outlet ports for efficient fuel distribution
Technical Specifications and Features
This mechanical fuel pump features hose bead inlet and outlet types, each with an outside diameter of 0.250 inches, ensuring secure hose connections. Designed specifically for gasoline fuel systems, it maintains a system pressure of 4 psi, suitable for the fuel delivery requirements of Toyota 4Runner, Celica, Corona, and Pickup models. The pump includes two outlet ports, allowing for effective fuel flow management. The package contains the mechanical fuel pump, a gasket for proper sealing, and an instruction sheet to assist with installation.
Applications and Problem Resolution
The Delphi MF0003 mechanical fuel pump is used to replace worn or failing fuel pumps in compatible Toyota vehicles. It addresses several common fuel delivery issues, including:
- Inconsistent fuel pressure causing engine performance problems
- Fuel leaks due to damaged or missing gaskets
- Reduced fuel flow affecting acceleration and power
- Fuel pump failure resulting in engine stalling or no start conditions
- Wear and tear from extended use in older Toyota 4Runner, Celica, Corona, and Pickup models
Installation Notes and Tips
When installing the Delphi MF0003 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
Delphi mechanical fuel pumps are manufactured to meet standard replacement quality requirements. The MF0003 part number undergoes rigorous testing to ensure consistent flow rating and system pressure compatibility. This product includes a gasket and installation instructions to support proper fitment and function. Warranty details should be confirmed with the point of purchase or Delphi directly.
| Brand | Delphi |
| Part Number | MF0003 |
| Average Flow Rating | 20 |
| Fuel Type | Gas |
| Gasket Or Seal Included | Yes |
| Inlet Outside Diameter | 0.250 |
| Inlet Type | Hose Bead |
| Item Grade | Standard Replacement |
| Outlet Outside Diameter | 0.250 |
| Outlet Quantity | 2 |
| Outlet Type | Hose Bead |
| Package Contents | Mechanical Fuel Pump, Gasket, Instruction Sheet |
| System Pressure | 4 psi |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1990 | Toyota | Pickup | N/A | External Mounted |
| 1989 | Toyota | Pickup | N/A | External Mounted |
| 1988 | Toyota | Pickup | N/A | External Mounted |
| 1987 | Toyota | Pickup | N/A | External Mounted |
| 1986 | Toyota | Pickup | N/A | External Mounted |
| 1985 | Toyota | Pickup | N/A | External Mounted |
| 1984 | Toyota | 4Runner | N/A | External Mounted |
| 1984 | Toyota | Pickup | N/A | External Mounted |
| 1983 | Toyota | Celica | N/A | External Mounted |
| 1983 | Toyota | Pickup | N/A | External Mounted |
| 1982 | Toyota | Celica | N/A | External Mounted |
| 1982 | Toyota | Corona | N/A | External Mounted |
| 1982 | Toyota | Pickup | N/A | External Mounted |
| 1981 | Toyota | Celica | N/A | External Mounted |
| 1981 | Toyota | Corona | N/A | External Mounted |
| 1981 | Toyota | Pickup | N/A | External Mounted |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.